140511222 has 36 divisors (see below), whose sum is σ = 323414676. Its totient is φ = 44080320.

The previous prime is 140511221. The next prime is 140511227. The reversal of 140511222 is 222115041.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 140511195 and 140511204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140511221) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 8304 + ... + 18707.

It is an arithmetic number, because the mean of its divisors is an integer number (8983741).

Almost surely, 2^140511222 is an apocalyptic number.

140511222 is an abundant number, since it is smaller than the sum of its proper divisors (182903454).

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

140511222 is a wasteful number, since it uses less digits than its factorization.

140511222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27053 (or 27033 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 140511222 is about 11853.7429531773. The cubic root of 140511222 is about 519.8806703501.

Adding to 140511222 its reverse (222115041), we get a palindrome (362626263).

The spelling of 140511222 in words is "one hundred forty million, five hundred eleven thousand, two hundred twenty-two".