22980705 has 64 divisors (see below), whose sum is σ = 42577920. Its totient is φ = 10483200.

The previous prime is 22980691. The next prime is 22980707. The reversal of 22980705 is 50708922.

It is not a de Polignac number, because 22980705 - 2⁷ = 22980577 is a prime.

It is a super-2 number, since 2×22980705² = 1056225604594050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22980707) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 290856 + ... + 290934.

It is an arithmetic number, because the mean of its divisors is an integer number (665280).

Almost surely, 2^22980705 is an apocalyptic number.

It is an amenable number.

22980705 is a deficient number, since it is larger than the sum of its proper divisors (19597215).

22980705 is a wasteful number, since it uses less digits than its factorization.

22980705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182.

The product of its (nonzero) digits is 10080, while the sum is 33.

The square root of 22980705 is about 4793.8194584277. The cubic root of 22980705 is about 284.3071504998.

The spelling of 22980705 in words is "twenty-two million, nine hundred eighty thousand, seven hundred five".