22448807442 has 12 divisors (see below), whose sum is σ = 48639082830. Its totient is φ = 7482935808.

The previous prime is 22448807431. The next prime is 22448807453. The reversal of 22448807442 is 24470884422.

22448807442 is a `hidden beast` number, since 22 + 448 + 80 + 74 + 42 = 666.

It is an interprime number because it is at equal distance from previous prime (22448807431) and next prime (22448807453).

It can be written as a sum of positive squares in only one way, i.e., 21823857441 + 624950001 = 147729^2 + 24999^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 623577967 + ... + 623578002.

Almost surely, 2^22448807442 is an apocalyptic number.

22448807442 is an abundant number, since it is smaller than the sum of its proper divisors (26190275388).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22448807442 is a wasteful number, since it uses less digits than its factorization.

22448807442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1247155977 (or 1247155974 counting only the distinct ones).

The product of its (nonzero) digits is 917504, while the sum is 45.

The spelling of 22448807442 in words is "twenty-two billion, four hundred forty-eight million, eight hundred seven thousand, four hundred forty-two".