22628130 has 64 divisors (see below), whose sum is σ = 62449920. Its totient is φ = 5140224.

The previous prime is 22628101. The next prime is 22628131. The reversal of 22628130 is 3182622.

22628130 = 787² + 788² + ... + 821².

It is a self number, because there is not a number n which added to its sum of digits gives 22628130.

It is not an unprimeable number, because it can be changed into a prime (22628131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 57976 + ... + 58364.

It is an arithmetic number, because the mean of its divisors is an integer number (975780).

Almost surely, 2^22628130 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22628130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31224960).

22628130 is an abundant number, since it is smaller than the sum of its proper divisors (39821790).

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

22628130 is a wasteful number, since it uses less digits than its factorization.

22628130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 683.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 22628130 is about 4756.9034045269. The cubic root of 22628130 is about 282.8456832852.

The spelling of 22628130 in words is "twenty-two million, six hundred twenty-eight thousand, one hundred thirty".