22448427 has 16 divisors (see below), whose sum is σ = 30608160. Its totient is φ = 14630400.

The previous prime is 22448423. The next prime is 22448431. The reversal of 22448427 is 72484422.

It is an interprime number because it is at equal distance from previous prime (22448423) and next prime (22448431).

It is not a de Polignac number, because 22448427 - 2² = 22448423 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22448423) 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, 43849 + ... + 44357.

It is an arithmetic number, because the mean of its divisors is an integer number (1913010).

Almost surely, 2^22448427 is an apocalyptic number.

22448427 is a deficient number, since it is larger than the sum of its proper divisors (8159733).

22448427 is a wasteful number, since it uses less digits than its factorization.

22448427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 814.

The product of its digits is 28672, while the sum is 33.

The square root of 22448427 is about 4737.9770999869. The cubic root of 22448427 is about 282.0949456463.

The spelling of 22448427 in words is "twenty-two million, four hundred forty-eight thousand, four hundred twenty-seven".