140214224 has 40 divisors (see below), whose sum is σ = 289460640. Its totient is φ = 65605248.

The previous prime is 140214211. The next prime is 140214227. The reversal of 140214224 is 422412041.

It is a super-2 number, since 2×140214224² = 39320057223844352, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 140214196 and 140214205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140214227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22454 + ... + 28010.

It is an arithmetic number, because the mean of its divisors is an integer number (7236516).

Almost surely, 2^140214224 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140214224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (144730320).

140214224 is an abundant number, since it is smaller than the sum of its proper divisors (149246416).

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

140214224 is a wasteful number, since it uses less digits than its factorization.

140214224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5667 (or 5661 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 140214224 is about 11841.2087220858. The cubic root of 140214224 is about 519.5141220834.

Adding to 140214224 its reverse (422412041), we get a palindrome (562626265).

The spelling of 140214224 in words is "one hundred forty million, two hundred fourteen thousand, two hundred twenty-four".