22700407 has 4 divisors (see below), whose sum is σ = 22761640. Its totient is φ = 22639176.

The previous prime is 22700387. The next prime is 22700411. The reversal of 22700407 is 70400722.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22700407 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22700207) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30057 + ... + 30802.

It is an arithmetic number, because the mean of its divisors is an integer number (5690410).

Almost surely, 2^22700407 is an apocalyptic number.

22700407 is a deficient number, since it is larger than the sum of its proper divisors (61233).

22700407 is an equidigital number, since it uses as much as digits as its factorization.

22700407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61232.

The product of its (nonzero) digits is 784, while the sum is 22.

The square root of 22700407 is about 4764.4944117923. The cubic root of 22700407 is about 283.1465110592.

The spelling of 22700407 in words is "twenty-two million, seven hundred thousand, four hundred seven".