22151016 has 32 divisors (see below), whose sum is σ = 61531200. Its totient is φ = 7383600.

The previous prime is 22151011. The next prime is 22151023. The reversal of 22151016 is 61015122.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a self number, because there is not a number n which added to its sum of digits gives 22151016.

It is not an unprimeable number, because it can be changed into a prime (22151011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51060 + ... + 51491.

It is an arithmetic number, because the mean of its divisors is an integer number (1922850).

Almost surely, 2^22151016 is an apocalyptic number.

It is an amenable number.

22151016 is an abundant number, since it is smaller than the sum of its proper divisors (39380184).

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

22151016 is a wasteful number, since it uses less digits than its factorization.

22151016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102566 (or 102556 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 22151016 is about 4706.4865876788. The cubic root of 22151016 is about 280.8436121902.

Adding to 22151016 its reverse (61015122), we get a palindrome (83166138).

The spelling of 22151016 in words is "twenty-two million, one hundred fifty-one thousand, sixteen".