22407520081 has 2 divisors, whose sum is σ = 22407520082. Its totient is φ = 22407520080.

The previous prime is 22407520063. The next prime is 22407520127. The reversal of 22407520081 is 18002570422.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11608985025 + 10798535056 = 107745^2 + 103916^2 .

It is a cyclic number.

It is not a de Polignac number, because 22407520081 - 2¹⁷ = 22407389009 is a prime.

It is a super-2 number, since 2×22407520081² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (22407527081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11203760040 + 11203760041.

It is an arithmetic number, because the mean of its divisors is an integer number (11203760041).

Almost surely, 2^22407520081 is an apocalyptic number.

It is an amenable number.

22407520081 is a deficient number, since it is larger than the sum of its proper divisors (1).

22407520081 is an equidigital number, since it uses as much as digits as its factorization.

22407520081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8960, while the sum is 31.

The spelling of 22407520081 in words is "twenty-two billion, four hundred seven million, five hundred twenty thousand, eighty-one".