22002630 has 32 divisors (see below), whose sum is σ = 56869344. Its totient is φ = 5415936.

The previous prime is 22002613. The next prime is 22002647. The reversal of 22002630 is 3620022.

It is an interprime number because it is at equal distance from previous prime (22002613) and next prime (22002647).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27819 + ... + 28598.

It is an arithmetic number, because the mean of its divisors is an integer number (1777167).

Almost surely, 2^22002630 is an apocalyptic number.

22002630 is an abundant number, since it is smaller than the sum of its proper divisors (34866714).

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

22002630 is a wasteful number, since it uses less digits than its factorization.

22002630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56440.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 22002630 is about 4690.6961103870. The cubic root of 22002630 is about 280.2150983228.

Adding to 22002630 its reverse (3620022), we get a palindrome (25622652).

The spelling of 22002630 in words is "twenty-two million, two thousand, six hundred thirty".