22002612 has 12 divisors (see below), whose sum is σ = 51339456. Its totient is φ = 7334200.

The previous prime is 22002601. The next prime is 22002613. The reversal of 22002612 is 21620022.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×22002612² = 968229869645088, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22002591 and 22002600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22002613) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 916764 + ... + 916787.

It is an arithmetic number, because the mean of its divisors is an integer number (4278288).

Almost surely, 2^22002612 is an apocalyptic number.

It is an amenable number.

22002612 is an abundant number, since it is smaller than the sum of its proper divisors (29336844).

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

22002612 is a wasteful number, since it uses less digits than its factorization.

22002612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1833558 (or 1833556 counting only the distinct ones).

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

The square root of 22002612 is about 4690.6941916949. The cubic root of 22002612 is about 280.2150219096.

Adding to 22002612 its reverse (21620022), we get a palindrome (43622634).

The spelling of 22002612 in words is "twenty-two million, two thousand, six hundred twelve".