22340672 has 28 divisors (see below), whose sum is σ = 45864780. Its totient is φ = 10784256.

The previous prime is 22340671. The next prime is 22340687. The reversal of 22340672 is 27604322.

It can be written as a sum of positive squares in 2 ways, for example, as 4227136 + 18113536 = 2056^2 + 4256^2 .

It is a super-3 number, since 3×22340672³ (a number of 23 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (22340671) 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, 4163 + ... + 7874.

Almost surely, 2^22340672 is an apocalyptic number.

It is an amenable number.

22340672 is an abundant number, since it is smaller than the sum of its proper divisors (23524108).

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

22340672 is a wasteful number, since it uses less digits than its factorization.

22340672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12078 (or 12068 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 26.

The square root of 22340672 is about 4726.5920069327. The cubic root of 22340672 is about 281.6428589208.

Adding to 22340672 its reverse (27604322), we get a palindrome (49944994).

The spelling of 22340672 in words is "twenty-two million, three hundred forty thousand, six hundred seventy-two".