22641140770 has 16 divisors (see below), whose sum is σ = 43151350968. Its totient is φ = 8523723520.

The previous prime is 22641140761. The next prime is 22641140771. The reversal of 22641140770 is 7704114622.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 22096525201 + 544615569 = 148649^2 + 23337^2 .

It is a Harshad number since it is a multiple of its sum of digits (34).

It is not an unprimeable number, because it can be changed into a prime (22641140771) 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, 66591421 + ... + 66591760.

Almost surely, 2^22641140770 is an apocalyptic number.

22641140770 is a deficient number, since it is larger than the sum of its proper divisors (20510210198).

22641140770 is a wasteful number, since it uses less digits than its factorization.

22641140770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133183205.

The product of its (nonzero) digits is 18816, while the sum is 34.

The spelling of 22641140770 in words is "twenty-two billion, six hundred forty-one million, one hundred forty thousand, seven hundred seventy".