22151353409 has 2 divisors, whose sum is σ = 22151353410. Its totient is φ = 22151353408.

The previous prime is 22151353387. The next prime is 22151353457. The reversal of 22151353409 is 90435315122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17788090384 + 4363263025 = 133372^2 + 66055^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22151353409 is a prime.

It is not a weakly prime, because it can be changed into another prime (22151353489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11075676704 + 11075676705.

It is an arithmetic number, because the mean of its divisors is an integer number (11075676705).

Almost surely, 2^22151353409 is an apocalyptic number.

It is an amenable number.

22151353409 is a deficient number, since it is larger than the sum of its proper divisors (1).

22151353409 is an equidigital number, since it uses as much as digits as its factorization.

22151353409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32400, while the sum is 35.

The spelling of 22151353409 in words is "twenty-two billion, one hundred fifty-one million, three hundred fifty-three thousand, four hundred nine".