22245254 has 4 divisors (see below), whose sum is σ = 33367884. Its totient is φ = 11122626.

The previous prime is 22245227. The next prime is 22245263. The reversal of 22245254 is 45254222.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5561312 + ... + 5561315.

It is an arithmetic number, because the mean of its divisors is an integer number (8341971).

Almost surely, 2^22245254 is an apocalyptic number.

22245254 is a deficient number, since it is larger than the sum of its proper divisors (11122630).

22245254 is a wasteful number, since it uses less digits than its factorization.

22245254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11122629.

The product of its digits is 6400, while the sum is 26.

The square root of 22245254 is about 4716.4874642047. The cubic root of 22245254 is about 281.2413169994.

Adding to 22245254 its reverse (45254222), we get a palindrome (67499476).

The spelling of 22245254 in words is "twenty-two million, two hundred forty-five thousand, two hundred fifty-four".