22770755 has 16 divisors (see below), whose sum is σ = 31760640. Its totient is φ = 15348192.

The previous prime is 22770749. The next prime is 22770757. The reversal of 22770755 is 55707722.

It is a cyclic number.

It is not a de Polignac number, because 22770755 - 2¹⁰ = 22769731 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is not an unprimeable number, because it can be changed into a prime (22770757) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3449 + ... + 7578.

It is an arithmetic number, because the mean of its divisors is an integer number (1985040).

Almost surely, 2^22770755 is an apocalyptic number.

22770755 is a deficient number, since it is larger than the sum of its proper divisors (8989885).

22770755 is a wasteful number, since it uses less digits than its factorization.

22770755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11098.

The product of its (nonzero) digits is 34300, while the sum is 35.

The square root of 22770755 is about 4771.8712262591. The cubic root of 22770755 is about 283.4386974528.

The spelling of 22770755 in words is "twenty-two million, seven hundred seventy thousand, seven hundred fifty-five".