22302642 has 8 divisors (see below), whose sum is σ = 44605296. Its totient is φ = 7434212.

The previous prime is 22302613. The next prime is 22302667. The reversal of 22302642 is 24620322.

It is a sphenic number, since it is the product of 3 distinct primes.

22302642 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1858548 + ... + 1858559.

It is an arithmetic number, because the mean of its divisors is an integer number (5575662).

Almost surely, 2^22302642 is an apocalyptic number.

22302642 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

22302642 is a wasteful number, since it uses less digits than its factorization.

22302642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3717112.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 22302642 is about 4722.5673102667. The cubic root of 22302642 is about 281.4829568179.

Adding to 22302642 its reverse (24620322), we get a palindrome (46922964).

The spelling of 22302642 in words is "twenty-two million, three hundred two thousand, six hundred forty-two".