22151104 has 14 divisors (see below), whose sum is σ = 43956224. Its totient is φ = 11075520.

The previous prime is 22151083. The next prime is 22151117. The reversal of 22151104 is 40115122.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172992 + ... + 173119.

Almost surely, 2^22151104 is an apocalyptic number.

It is an amenable number.

22151104 is a deficient number, since it is larger than the sum of its proper divisors (21805120).

22151104 is an equidigital number, since it uses as much as digits as its factorization.

22151104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346123 (or 346113 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 22151104 is about 4706.4959364691. The cubic root of 22151104 is about 280.8439840950.

Adding to 22151104 its reverse (40115122), we get a palindrome (62266226).

The spelling of 22151104 in words is "twenty-two million, one hundred fifty-one thousand, one hundred four".