22100154 has 16 divisors (see below), whose sum is σ = 46526880. Its totient is φ = 6978960.

The previous prime is 22100149. The next prime is 22100167. The reversal of 22100154 is 45100122.

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, 96817 + ... + 97044.

It is an arithmetic number, because the mean of its divisors is an integer number (2907930).

Almost surely, 2^22100154 is an apocalyptic number.

22100154 is an abundant number, since it is smaller than the sum of its proper divisors (24426726).

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

22100154 is a wasteful number, since it uses less digits than its factorization.

22100154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193885.

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 22100154 is about 4701.0800886605. The cubic root of 22100154 is about 280.6284946729.

Adding to 22100154 its reverse (45100122), we get a palindrome (67200276).

The spelling of 22100154 in words is "twenty-two million, one hundred thousand, one hundred fifty-four".