22350644021 has 8 divisors (see below), whose sum is σ = 22620917760. Its totient is φ = 22081843728.

The previous prime is 22350644009. The next prime is 22350644033. The reversal of 22350644021 is 12044605322.

It is an interprime number because it is at equal distance from previous prime (22350644009) and next prime (22350644033).

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 22350644021 - 2⁶ = 22350643957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22350644051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 337826 + ... + 398531.

It is an arithmetic number, because the mean of its divisors is an integer number (2827614720).

Almost surely, 2^22350644021 is an apocalyptic number.

It is an amenable number.

22350644021 is a deficient number, since it is larger than the sum of its proper divisors (270273739).

22350644021 is a wasteful number, since it uses less digits than its factorization.

22350644021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 736723.

The product of its (nonzero) digits is 11520, while the sum is 29.

The spelling of 22350644021 in words is "twenty-two billion, three hundred fifty million, six hundred forty-four thousand, twenty-one".