22425502 has 16 divisors (see below), whose sum is σ = 36877824. Its totient is φ = 10143000.

The previous prime is 22425457. The next prime is 22425517. The reversal of 22425502 is 20552422.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2227 + ... + 7057.

It is an arithmetic number, because the mean of its divisors is an integer number (2304864).

Almost surely, 2^22425502 is an apocalyptic number.

22425502 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22425502 is a deficient number, since it is larger than the sum of its proper divisors (14452322).

22425502 is a wasteful number, since it uses less digits than its factorization.

22425502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5055.

The product of its (nonzero) digits is 1600, while the sum is 22.

The square root of 22425502 is about 4735.5572005837. The cubic root of 22425502 is about 281.9988850282.

Adding to 22425502 its reverse (20552422), we get a palindrome (42977924).

Subtracting from 22425502 its reverse (20552422), we obtain a triangular number (1873080 = T₁₉₃₅).

It can be divided in two parts, 2242 and 5502, that added together give a square (7744 = 88²).

The spelling of 22425502 in words is "twenty-two million, four hundred twenty-five thousand, five hundred two".