22292010 has 160 divisors (see below), whose sum is σ = 67692240. Its totient is φ = 5225472.

The previous prime is 22291999. The next prime is 22292033. The reversal of 22292010 is 1029222.

It can be written as a sum of positive squares in 8 ways, for example, as 6395841 + 15896169 = 2529^2 + 3987^2 .

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

It is a Curzon number.

It is a zygodrome in base 3.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 305334 + ... + 305406.

Almost surely, 2^22292010 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22292010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33846120).

22292010 is an abundant number, since it is smaller than the sum of its proper divisors (45400230).

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

22292010 is a wasteful number, since it uses less digits than its factorization.

22292010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134 (or 125 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 22292010 is about 4721.4415171640. The cubic root of 22292010 is about 281.4382206758.

The spelling of 22292010 in words is "twenty-two million, two hundred ninety-two thousand, ten".