22251077331 has 24 divisors (see below), whose sum is σ = 34846965504. Its totient is φ = 12591447120.

The previous prime is 22251077311. The next prime is 22251077333. The reversal of 22251077331 is 13377015222.

It is not a de Polignac number, because 22251077331 - 2⁶ = 22251077267 is a prime.

It is a super-2 number, since 2×22251077331² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22251077292 and 22251077301.

It is not an unprimeable number, because it can be changed into a prime (22251077333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 719655 + ... + 749936.

It is an arithmetic number, because the mean of its divisors is an integer number (1451956896).

Almost surely, 2^22251077331 is an apocalyptic number.

22251077331 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

22251077331 is a deficient number, since it is larger than the sum of its proper divisors (12595888173).

22251077331 is a wasteful number, since it uses less digits than its factorization.

22251077331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1469711 (or 1469704 counting only the distinct ones).

The product of its (nonzero) digits is 17640, while the sum is 33.

The spelling of 22251077331 in words is "twenty-two billion, two hundred fifty-one million, seventy-seven thousand, three hundred thirty-one".