22072726655 has 16 divisors (see below), whose sum is σ = 30554081280. Its totient is φ = 14994127392.

The previous prime is 22072726601. The next prime is 22072726657. The reversal of 22072726655 is 55662727022.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 22072726655 - 2⁶ = 22072726591 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22072726657) 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, 2943215 + ... + 2950704.

It is an arithmetic number, because the mean of its divisors is an integer number (1909630080).

Almost surely, 2^22072726655 is an apocalyptic number.

22072726655 is a deficient number, since it is larger than the sum of its proper divisors (8481354625).

22072726655 is a wasteful number, since it uses less digits than its factorization.

22072726655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5894038.

The product of its (nonzero) digits is 705600, while the sum is 44.

The spelling of 22072726655 in words is "twenty-two billion, seventy-two million, seven hundred twenty-six thousand, six hundred fifty-five".