22825451 has 4 divisors (see below), whose sum is σ = 24900504. Its totient is φ = 20750400.

The previous prime is 22825423. The next prime is 22825471. The reversal of 22825451 is 15452822.

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

It is a de Polignac number, because none of the positive numbers 2^k-22825451 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22825471) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1037510 + ... + 1037531.

It is an arithmetic number, because the mean of its divisors is an integer number (6225126).

Almost surely, 2^22825451 is an apocalyptic number.

22825451 is a deficient number, since it is larger than the sum of its proper divisors (2075053).

22825451 is a wasteful number, since it uses less digits than its factorization.

22825451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2075052.

The product of its digits is 6400, while the sum is 29.

The square root of 22825451 is about 4777.5988739115. The cubic root of 22825451 is about 283.6654585868.

The spelling of 22825451 in words is "twenty-two million, eight hundred twenty-five thousand, four hundred fifty-one".