22897399285 has 8 divisors (see below), whose sum is σ = 27558414936. Its totient is φ = 18263562240.

The previous prime is 22897399279. The next prime is 22897399309. The reversal of 22897399285 is 58299379822.

It can be written as a sum of positive squares in 4 ways, for example, as 103042801 + 22794356484 = 10151^2 + 150978^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22897399285 - 2¹⁹ = 22896874997 is a prime.

It is a super-2 number, since 2×22897399285² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 6792796 + ... + 6796165.

It is an arithmetic number, because the mean of its divisors is an integer number (3444801867).

Almost surely, 2^22897399285 is an apocalyptic number.

It is an amenable number.

22897399285 is a deficient number, since it is larger than the sum of its proper divisors (4661015651).

22897399285 is a wasteful number, since it uses less digits than its factorization.

22897399285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13589303.

The product of its digits is 39191040, while the sum is 64.

The spelling of 22897399285 in words is "twenty-two billion, eight hundred ninety-seven million, three hundred ninety-nine thousand, two hundred eighty-five".