22420312309 has 16 divisors (see below), whose sum is σ = 22949441856. Its totient is φ = 21897532800.

The previous prime is 22420312307. The next prime is 22420312339. The reversal of 22420312309 is 90321302422.

It is a cyclic number.

It is not a de Polignac number, because 22420312309 - 2¹ = 22420312307 is a prime.

It is a super-2 number, since 2×22420312309² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22420312307) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5478354 + ... + 5482444.

It is an arithmetic number, because the mean of its divisors is an integer number (1434340116).

Almost surely, 2^22420312309 is an apocalyptic number.

It is an amenable number.

22420312309 is a deficient number, since it is larger than the sum of its proper divisors (529129547).

22420312309 is a wasteful number, since it uses less digits than its factorization.

22420312309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4836.

The product of its (nonzero) digits is 5184, while the sum is 28.

The spelling of 22420312309 in words is "twenty-two billion, four hundred twenty million, three hundred twelve thousand, three hundred nine".