22129028651 has 8 divisors (see below), whose sum is σ = 22258572000. Its totient is φ = 21999669120.

The previous prime is 22129028641. The next prime is 22129028681. The reversal of 22129028651 is 15682092122.

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 22129028651 - 2⁶ = 22129028587 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22129028641) 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, 199331 + ... + 289811.

It is an arithmetic number, because the mean of its divisors is an integer number (2782321500).

Almost surely, 2^22129028651 is an apocalyptic number.

22129028651 is a deficient number, since it is larger than the sum of its proper divisors (129543349).

22129028651 is a wasteful number, since it uses less digits than its factorization.

22129028651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91909.

The product of its (nonzero) digits is 34560, while the sum is 38.

The spelling of 22129028651 in words is "twenty-two billion, one hundred twenty-nine million, twenty-eight thousand, six hundred fifty-one".