22202642 has 16 divisors (see below), whose sum is σ = 41522112. Its totient is φ = 8650320.

The previous prime is 22202633. The next prime is 22202651. The reversal of 22202642 is 24620222.

It is an interprime number because it is at equal distance from previous prime (22202633) and next prime (22202651).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71933 + ... + 72240.

It is an arithmetic number, because the mean of its divisors is an integer number (2595132).

Almost surely, 2^22202642 is an apocalyptic number.

22202642 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22202642 is a deficient number, since it is larger than the sum of its proper divisors (19319470).

22202642 is a wasteful number, since it uses less digits than its factorization.

22202642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144193.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 22202642 is about 4711.9679540506. The cubic root of 22202642 is about 281.0616245083.

Adding to 22202642 its reverse (24620222), we get a palindrome (46822864).

The spelling of 22202642 in words is "twenty-two million, two hundred two thousand, six hundred forty-two".