22055154 has 48 divisors (see below), whose sum is σ = 51365664. Its totient is φ = 6286720.

The previous prime is 22055149. The next prime is 22055191. The reversal of 22055154 is 45155022.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11449 + ... + 13235.

It is an arithmetic number, because the mean of its divisors is an integer number (1070118).

Almost surely, 2^22055154 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22055154, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25682832).

22055154 is an abundant number, since it is smaller than the sum of its proper divisors (29310510).

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

22055154 is a wasteful number, since it uses less digits than its factorization.

22055154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1831 (or 1820 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 24.

The square root of 22055154 is about 4696.2915156536. The cubic root of 22055154 is about 280.4378947471.

The spelling of 22055154 in words is "twenty-two million, fifty-five thousand, one hundred fifty-four".