22007154 has 16 divisors (see below), whose sum is σ = 47400192. Its totient is φ = 6771408.

The previous prime is 22007123. The next prime is 22007173. The reversal of 22007154 is 45170022.

It is a self number, because there is not a number n which added to its sum of digits gives 22007154.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 140994 + ... + 141149.

It is an arithmetic number, because the mean of its divisors is an integer number (2962512).

Almost surely, 2^22007154 is an apocalyptic number.

22007154 is an abundant number, since it is smaller than the sum of its proper divisors (25393038).

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

22007154 is a wasteful number, since it uses less digits than its factorization.

22007154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282161.

The product of its (nonzero) digits is 560, while the sum is 21.

The square root of 22007154 is about 4691.1783167985. The cubic root of 22007154 is about 280.2343021821.

Adding to 22007154 its reverse (45170022), we get a palindrome (67177176).

The spelling of 22007154 in words is "twenty-two million, seven thousand, one hundred fifty-four".