22125002 has 4 divisors (see below), whose sum is σ = 33187506. Its totient is φ = 11062500.

The previous prime is 22124989. The next prime is 22125017. The reversal of 22125002 is 20052122.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 11162281 + 10962721 = 3341^2 + 3311^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5531249 + ... + 5531252.

Almost surely, 2^22125002 is an apocalyptic number.

22125002 is a deficient number, since it is larger than the sum of its proper divisors (11062504).

22125002 is a wasteful number, since it uses less digits than its factorization.

22125002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11062503.

The product of its (nonzero) digits is 80, while the sum is 14.

The square root of 22125002 is about 4703.7221431543. The cubic root of 22125002 is about 280.7336288591.

Adding to 22125002 its reverse (20052122), we get a palindrome (42177124).

The spelling of 22125002 in words is "twenty-two million, one hundred twenty-five thousand, two".