22752154 has 8 divisors (see below), whose sum is σ = 36135828. Its totient is φ = 10706880.

The previous prime is 22752143. The next prime is 22752157. The reversal of 22752154 is 45125722.

It can be written as a sum of positive squares in 2 ways, for example, as 22610025 + 142129 = 4755^2 + 377^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×22752154³ (a number of 23 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (22752157) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 334557 + ... + 334624.

Almost surely, 2^22752154 is an apocalyptic number.

22752154 is a deficient number, since it is larger than the sum of its proper divisors (13383674).

22752154 is a wasteful number, since it uses less digits than its factorization.

22752154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 669200.

The product of its digits is 5600, while the sum is 28.

The square root of 22752154 is about 4769.9218022940. The cubic root of 22752154 is about 283.3614978538.

Adding to 22752154 its reverse (45125722), we get a palindrome (67877876).

The spelling of 22752154 in words is "twenty-two million, seven hundred fifty-two thousand, one hundred fifty-four".