22365442 has 8 divisors (see below), whose sum is σ = 36598032. Its totient is φ = 10166100.

The previous prime is 22365403. The next prime is 22365449. The reversal of 22365442 is 24456322.

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

It is a self number, because there is not a number n which added to its sum of digits gives 22365442.

It is not an unprimeable number, because it can be changed into a prime (22365449) 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, 508284 + ... + 508327.

It is an arithmetic number, because the mean of its divisors is an integer number (4574754).

Almost surely, 2^22365442 is an apocalyptic number.

22365442 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22365442 is a deficient number, since it is larger than the sum of its proper divisors (14232590).

22365442 is a wasteful number, since it uses less digits than its factorization.

22365442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1016624.

The product of its digits is 11520, while the sum is 28.

The square root of 22365442 is about 4729.2115621951. The cubic root of 22365442 is about 281.7469100569.

It can be divided in two parts, 2 and 2365442, that added together give a square (2365444 = 1538²).

The spelling of 22365442 in words is "twenty-two million, three hundred sixty-five thousand, four hundred forty-two".