22425136 has 10 divisors (see below), whose sum is σ = 43448732. Its totient is φ = 11212560.

The previous prime is 22425107. The next prime is 22425163. The reversal of 22425136 is 63152422.

It is a self number, because there is not a number n which added to its sum of digits gives 22425136.

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, 700770 + ... + 700801.

Almost surely, 2^22425136 is an apocalyptic number.

It is an amenable number.

22425136 is a deficient number, since it is larger than the sum of its proper divisors (21023596).

22425136 is a wasteful number, since it uses less digits than its factorization.

22425136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1401579 (or 1401573 counting only the distinct ones).

The product of its digits is 2880, while the sum is 25.

The square root of 22425136 is about 4735.5185566102. The cubic root of 22425136 is about 281.9973508797.

Adding to 22425136 its reverse (63152422), we get a palindrome (85577558).

It can be divided in two parts, 2242513 and 6, that multiplied together give a triangular number (13455078 = T₅₁₈₇).

The spelling of 22425136 in words is "twenty-two million, four hundred twenty-five thousand, one hundred thirty-six".