22455055331 has 2 divisors, whose sum is σ = 22455055332. Its totient is φ = 22455055330.

The previous prime is 22455055307. The next prime is 22455055451. The reversal of 22455055331 is 13355055422.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22455055331 - 2⁶ = 22455055267 is a prime.

It is a super-2 number, since 2×22455055331² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22455055291 and 22455055300.

It is not a weakly prime, because it can be changed into another prime (22455055031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11227527665 + 11227527666.

It is an arithmetic number, because the mean of its divisors is an integer number (11227527666).

Almost surely, 2^22455055331 is an apocalyptic number.

22455055331 is a deficient number, since it is larger than the sum of its proper divisors (1).

22455055331 is an equidigital number, since it uses as much as digits as its factorization.

22455055331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90000, while the sum is 35.

Subtracting from 22455055331 its reverse (13355055422), we obtain a palindrome (9099999909).

The spelling of 22455055331 in words is "twenty-two billion, four hundred fifty-five million, fifty-five thousand, three hundred thirty-one".