22901352421 has 2 divisors, whose sum is σ = 22901352422. Its totient is φ = 22901352420.

The previous prime is 22901352349. The next prime is 22901352469. The reversal of 22901352421 is 12425310922.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22311396900 + 589955521 = 149370^2 + 24289^2 .

It is a cyclic number.

It is not a de Polignac number, because 22901352421 - 2⁷ = 22901352293 is a prime.

It is a super-3 number, since 3×22901352421³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22901353421) 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 as a sum of consecutive naturals, namely, 11450676210 + 11450676211.

It is an arithmetic number, because the mean of its divisors is an integer number (11450676211).

Almost surely, 2^22901352421 is an apocalyptic number.

It is an amenable number.

22901352421 is a deficient number, since it is larger than the sum of its proper divisors (1).

22901352421 is an equidigital number, since it uses as much as digits as its factorization.

22901352421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 31.

The spelling of 22901352421 in words is "twenty-two billion, nine hundred one million, three hundred fifty-two thousand, four hundred twenty-one".