22000254 has 16 divisors (see below), whose sum is σ = 44658048. Its totient is φ = 7223832.

The previous prime is 22000249. The next prime is 22000289. The reversal of 22000254 is 45200022.

22000254 is nontrivially palindromic in base 7.

It is a super-2 number, since 2×22000254² = 968022352129032, which contains 22 as substring.

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, 26962 + ... + 27765.

It is an arithmetic number, because the mean of its divisors is an integer number (2791128).

Almost surely, 2^22000254 is an apocalyptic number.

22000254 is an abundant number, since it is smaller than the sum of its proper divisors (22657794).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22000254 is a wasteful number, since it uses less digits than its factorization.

22000254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54799.

The product of its (nonzero) digits is 160, while the sum is 15.

The square root of 22000254 is about 4690.4428362363. The cubic root of 22000254 is about 280.2050114220.

Adding to 22000254 its reverse (45200022), we get a palindrome (67200276).

The spelling of 22000254 in words is "twenty-two million, two hundred fifty-four", and thus it is an aban number.