22700427 has 16 divisors (see below), whose sum is σ = 30958080. Its totient is φ = 14791392.

The previous prime is 22700411. The next prime is 22700441. The reversal of 22700427 is 72400722.

It is not a de Polignac number, because 22700427 - 2⁴ = 22700411 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22700397 and 22700406.

It is not an unprimeable number, because it can be changed into a prime (22700827) 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, 48798 + ... + 49260.

It is an arithmetic number, because the mean of its divisors is an integer number (1934880).

Almost surely, 2^22700427 is an apocalyptic number.

22700427 is a deficient number, since it is larger than the sum of its proper divisors (8257653).

22700427 is a wasteful number, since it uses less digits than its factorization.

22700427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 802.

The product of its (nonzero) digits is 1568, while the sum is 24.

The square root of 22700427 is about 4764.4965106504. The cubic root of 22700427 is about 283.1465942138.

The spelling of 22700427 in words is "twenty-two million, seven hundred thousand, four hundred twenty-seven".