22261770022 has 4 divisors (see below), whose sum is σ = 33392655036. Its totient is φ = 11130885010.

The previous prime is 22261770017. The next prime is 22261770023. The reversal of 22261770022 is 22007716222.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22261770023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5565442504 + ... + 5565442507.

It is an arithmetic number, because the mean of its divisors is an integer number (8348163759).

Almost surely, 2^22261770022 is an apocalyptic number.

22261770022 is a deficient number, since it is larger than the sum of its proper divisors (11130885014).

22261770022 is a wasteful number, since it uses less digits than its factorization.

22261770022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11130885013.

The product of its (nonzero) digits is 9408, while the sum is 31.

The spelling of 22261770022 in words is "twenty-two billion, two hundred sixty-one million, seven hundred seventy thousand, twenty-two".