64957140222 has 32 divisors (see below), whose sum is σ = 140074583040. Its totient is φ = 19962970080.

The previous prime is 64957140221. The next prime is 64957140253. The reversal of 64957140222 is 22204175946.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64957140221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 430854 + ... + 561737.

It is an arithmetic number, because the mean of its divisors is an integer number (4377330720).

Almost surely, 2^64957140222 is an apocalyptic number.

64957140222 is an abundant number, since it is smaller than the sum of its proper divisors (75117442818).

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

64957140222 is a wasteful number, since it uses less digits than its factorization.

64957140222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 993448.

The product of its (nonzero) digits is 241920, while the sum is 42.

The spelling of 64957140222 in words is "sixty-four billion, nine hundred fifty-seven million, one hundred forty thousand, two hundred twenty-two".