22202972077 has 60 divisors (see below), whose sum is σ = 28090076140. Its totient is φ = 17535872640.

The previous prime is 22202972039. The next prime is 22202972087. The reversal of 22202972077 is 77027920222.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 10 ways, for example, as 18872989641 + 3329982436 = 137379^2 + 57706^2 .

It is not a de Polignac number, because 22202972077 - 2¹⁵ = 22202939309 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22202972087) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 1306057173 + ... + 1306057189.

Almost surely, 2^22202972077 is an apocalyptic number.

It is an amenable number.

22202972077 is a deficient number, since it is larger than the sum of its proper divisors (5887104063).

22202972077 is an frugal number, since it uses more digits than its factorization.

22202972077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129 (or 41 counting only the distinct ones).

The product of its (nonzero) digits is 98784, while the sum is 40.

The spelling of 22202972077 in words is "twenty-two billion, two hundred two million, nine hundred seventy-two thousand, seventy-seven".