22981885229 has 6 divisors (see below), whose sum is σ = 23775208590. Its totient is φ = 22188618200.

The previous prime is 22981885187. The next prime is 22981885231. The reversal of 22981885229 is 92258818922.

It can be written as a sum of positive squares in only one way, i.e., 19811970025 + 3169915204 = 140755^2 + 56302^2 .

It is not a de Polignac number, because 22981885229 - 2⁸ = 22981884973 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 (22981885249) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 802304 + ... + 830454.

It is an arithmetic number, because the mean of its divisors is an integer number (3962534765).

Almost surely, 2^22981885229 is an apocalyptic number.

22981885229 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

22981885229 is a deficient number, since it is larger than the sum of its proper divisors (793323361).

22981885229 is an frugal number, since it uses more digits than its factorization.

22981885229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56331 (or 28180 counting only the distinct ones).

The product of its digits is 3317760, while the sum is 56.

The spelling of 22981885229 in words is "twenty-two billion, nine hundred eighty-one million, eight hundred eighty-five thousand, two hundred twenty-nine".