140227220 has 144 divisors (see below), whose sum is σ = 382656960. Its totient is φ = 42771456.

The previous prime is 140227193. The next prime is 140227223. The reversal of 140227220 is 22722041.

It is a happy number.

It is a super-3 number, since 3×140227220³ (a number of 25 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 140227192 and 140227201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140227223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 316319 + ... + 316761.

It is an arithmetic number, because the mean of its divisors is an integer number (2657340).

Almost surely, 2^140227220 is an apocalyptic number.

140227220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140227220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (191328480).

140227220 is an abundant number, since it is smaller than the sum of its proper divisors (242429740).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

140227220 is a wasteful number, since it uses less digits than its factorization.

140227220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 502 (or 493 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 20.

The square root of 140227220 is about 11841.7574709162. The cubic root of 140227220 is about 519.5301722785.

Adding to 140227220 its reverse (22722041), we get a palindrome (162949261).

The spelling of 140227220 in words is "one hundred forty million, two hundred twenty-seven thousand, two hundred twenty".