22727428429 has 8 divisors (see below), whose sum is σ = 23328822528. Its totient is φ = 22130944080.

The previous prime is 22727428397. The next prime is 22727428433. The reversal of 22727428429 is 92482472722.

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 22727428429 - 2⁵ = 22727428397 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 (22727428729) 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, 1218057 + ... + 1236574.

It is an arithmetic number, because the mean of its divisors is an integer number (2916102816).

Almost surely, 2^22727428429 is an apocalyptic number.

It is an amenable number.

22727428429 is a deficient number, since it is larger than the sum of its proper divisors (601394099).

22727428429 is a wasteful number, since it uses less digits than its factorization.

22727428429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2454875.

The product of its digits is 1806336, while the sum is 49.

The spelling of 22727428429 in words is "twenty-two billion, seven hundred twenty-seven million, four hundred twenty-eight thousand, four hundred twenty-nine".