22002162 has 64 divisors (see below), whose sum is σ = 55157760. Its totient is φ = 5696064.

The previous prime is 22002121. The next prime is 22002163. The reversal of 22002162 is 26120022.

It is not an unprimeable number, because it can be changed into a prime (22002163) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31873 + ... + 32555.

It is an arithmetic number, because the mean of its divisors is an integer number (861840).

Almost surely, 2^22002162 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22002162, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27578880).

22002162 is an abundant number, since it is smaller than the sum of its proper divisors (33155598).

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

22002162 is a wasteful number, since it uses less digits than its factorization.

22002162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 767.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 22002162 is about 4690.6462241359. The cubic root of 22002162 is about 280.2131115664.

Adding to 22002162 its reverse (26120022), we get a palindrome (48122184).

The spelling of 22002162 in words is "twenty-two million, two thousand, one hundred sixty-two".