22432402 has 4 divisors (see below), whose sum is σ = 33648606. Its totient is φ = 11216200.

The previous prime is 22432393. The next prime is 22432411. The reversal of 22432402 is 20423422.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 20423422 = 2 ⋅10211711.

It is an interprime number because it is at equal distance from previous prime (22432393) and next prime (22432411).

It can be written as a sum of positive squares in only one way, i.e., 11350161 + 11082241 = 3369^2 + 3329^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 22432402.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5608099 + ... + 5608102.

Almost surely, 2^22432402 is an apocalyptic number.

22432402 is a deficient number, since it is larger than the sum of its proper divisors (11216204).

22432402 is a wasteful number, since it uses less digits than its factorization.

22432402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11216203.

The product of its (nonzero) digits is 768, while the sum is 19.

The square root of 22432402 is about 4736.2856755056. The cubic root of 22432402 is about 282.0278043775.

Adding to 22432402 its reverse (20423422), we get a palindrome (42855824).

The spelling of 22432402 in words is "twenty-two million, four hundred thirty-two thousand, four hundred two".