22054252 has 12 divisors (see below), whose sum is σ = 42103656. Its totient is φ = 10024640.

The previous prime is 22054229. The next prime is 22054267. The reversal of 22054252 is 25245022.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 250573 + ... + 250660.

It is an arithmetic number, because the mean of its divisors is an integer number (3508638).

Almost surely, 2^22054252 is an apocalyptic number.

22054252 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

22054252 is a deficient number, since it is larger than the sum of its proper divisors (20049404).

22054252 is a wasteful number, since it uses less digits than its factorization.

22054252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 501248 (or 501246 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 22.

The square root of 22054252 is about 4696.1954814509. The cubic root of 22054252 is about 280.4340716282.

Adding to 22054252 its reverse (25245022), we get a palindrome (47299274).

The spelling of 22054252 in words is "twenty-two million, fifty-four thousand, two hundred fifty-two".