22390448 has 10 divisors (see below), whose sum is σ = 43381524. Its totient is φ = 11195216.

The previous prime is 22390447. The next prime is 22390457. The reversal of 22390448 is 84409322.

It is not an unprimeable number, because it can be changed into a prime (22390447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 699686 + ... + 699717.

Almost surely, 2^22390448 is an apocalyptic number.

It is an amenable number.

22390448 is a deficient number, since it is larger than the sum of its proper divisors (20991076).

22390448 is a wasteful number, since it uses less digits than its factorization.

22390448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1399411 (or 1399405 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 22390448 is about 4731.8546046978. The cubic root of 22390448 is about 281.8518746587.

The spelling of 22390448 in words is "twenty-two million, three hundred ninety thousand, four hundred forty-eight".