22425154 has 4 divisors (see below), whose sum is σ = 33637734. Its totient is φ = 11212576.

The previous prime is 22425107. The next prime is 22425163. The reversal of 22425154 is 45152422.

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., 20948929 + 1476225 = 4577^2 + 1215^2 .

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, 5606287 + ... + 5606290.

Almost surely, 2^22425154 is an apocalyptic number.

22425154 is a deficient number, since it is larger than the sum of its proper divisors (11212580).

22425154 is a wasteful number, since it uses less digits than its factorization.

22425154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11212579.

The product of its digits is 3200, while the sum is 25.

The square root of 22425154 is about 4735.5204571409. The cubic root of 22425154 is about 281.9974263300.

Adding to 22425154 its reverse (45152422), we get a palindrome (67577576).

It can be divided in two parts, 2242 and 5154, that added together give a square (7396 = 86²).

The spelling of 22425154 in words is "twenty-two million, four hundred twenty-five thousand, one hundred fifty-four".