22152054 has 32 divisors (see below), whose sum is σ = 48063456. Its totient is φ = 6778880.

The previous prime is 22152029. The next prime is 22152061. The reversal of 22152054 is 45025122.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 22152054.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1534 + ... + 6830.

It is an arithmetic number, because the mean of its divisors is an integer number (1501983).

Almost surely, 2^22152054 is an apocalyptic number.

22152054 is an abundant number, since it is smaller than the sum of its proper divisors (25911402).

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

22152054 is a wasteful number, since it uses less digits than its factorization.

22152054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5360.

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 22152054 is about 4706.5968597278. The cubic root of 22152054 is about 280.8479989132.

Adding to 22152054 its reverse (45025122), we get a palindrome (67177176).

It can be divided in two parts, 22 and 152054, that added together give a triangular number (152076 = T₅₅₁).

The spelling of 22152054 in words is "twenty-two million, one hundred fifty-two thousand, fifty-four".