22163154 has 32 divisors (see below), whose sum is σ = 48081600. Its totient is φ = 6770112.

The previous prime is 22163149. The next prime is 22163159. The reversal of 22163154 is 45136122.

It is an interprime number because it is at equal distance from previous prime (22163149) and next prime (22163159).

It is not an unprimeable number, because it can be changed into a prime (22163159) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10669 + ... + 12575.

It is an arithmetic number, because the mean of its divisors is an integer number (1502550).

Almost surely, 2^22163154 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22163154, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24040800).

22163154 is an abundant number, since it is smaller than the sum of its proper divisors (25918446).

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

22163154 is a wasteful number, since it uses less digits than its factorization.

22163154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2074.

The product of its digits is 1440, while the sum is 24.

The square root of 22163154 is about 4707.7759080058. The cubic root of 22163154 is about 280.8949003915.

Adding to 22163154 its reverse (45136122), we get a palindrome (67299276).

The spelling of 22163154 in words is "twenty-two million, one hundred sixty-three thousand, one hundred fifty-four".