22320769 has 8 divisors (see below), whose sum is σ = 22932000. Its totient is φ = 21712800.

The previous prime is 22320761. The next prime is 22320773. The reversal of 22320769 is 96702322.

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

It is a cyclic number.

It is not a de Polignac number, because 22320769 - 2³ = 22320761 is a prime.

It is a super-3 number, since 3×22320769³ (a number of 23 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22320769.

It is not an unprimeable number, because it can be changed into a prime (22320761) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19914 + ... + 21004.

It is an arithmetic number, because the mean of its divisors is an integer number (2866500).

Almost surely, 2^22320769 is an apocalyptic number.

It is an amenable number.

22320769 is a deficient number, since it is larger than the sum of its proper divisors (611231).

22320769 is a wasteful number, since it uses less digits than its factorization.

22320769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1631.

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 22320769 is about 4724.4861096208. The cubic root of 22320769 is about 281.5591968108.

The spelling of 22320769 in words is "twenty-two million, three hundred twenty thousand, seven hundred sixty-nine".