22226920997 has 8 divisors (see below), whose sum is σ = 23665867200. Its totient is φ = 20802583744.

The previous prime is 22226920957. The next prime is 22226920999. The reversal of 22226920997 is 79902962222.

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 22226920997 - 2²⁶ = 22159812133 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 (22226920999) 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, 3649097 + ... + 3655182.

It is an arithmetic number, because the mean of its divisors is an integer number (2958233400).

Almost surely, 2^22226920997 is an apocalyptic number.

It is an amenable number.

22226920997 is a deficient number, since it is larger than the sum of its proper divisors (1438946203).

22226920997 is a wasteful number, since it uses less digits than its factorization.

22226920997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7304475.

The product of its (nonzero) digits is 979776, while the sum is 50.

The spelling of 22226920997 in words is "twenty-two billion, two hundred twenty-six million, nine hundred twenty thousand, nine hundred ninety-seven".