22766345 has 16 divisors (see below), whose sum is σ = 31356288. Its totient is φ = 15544320.

The previous prime is 22766333. The next prime is 22766347. The reversal of 22766345 is 54366722.

It is not a de Polignac number, because 22766345 - 2⁴ = 22766329 is a prime.

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

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22766347) 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, 7730 + ... + 10260.

It is an arithmetic number, because the mean of its divisors is an integer number (1959768).

Almost surely, 2^22766345 is an apocalyptic number.

It is an amenable number.

22766345 is a deficient number, since it is larger than the sum of its proper divisors (8589943).

22766345 is a wasteful number, since it uses less digits than its factorization.

22766345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2800.

The product of its digits is 60480, while the sum is 35.

The square root of 22766345 is about 4771.4091210040. The cubic root of 22766345 is about 283.4203984642.

The spelling of 22766345 in words is "twenty-two million, seven hundred sixty-six thousand, three hundred forty-five".