22697451702738 has 54 divisors (see below), whose sum is σ = 51409994477751. Its totient is φ = 7236720432216.

The previous prime is 22697451702689. The next prime is 22697451702763. The reversal of 22697451702738 is 83720715479622.

It is a happy number.

22697451702738 is a `hidden beast` number, since 2 + 2 + 6 + 97 + 4 + 517 + 0 + 27 + 3 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 11348725851369 + 11348725851369 = 3368787^2 + 3368787^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=3368787.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 464868195 + ... + 464917017.

It is a 1-persistent number, because it is pandigital, but 2⋅22697451702738 = 45394903405476 is not.

Almost surely, 2^{22697451702738} is an apocalyptic number.

22697451702738 is an abundant number, since it is smaller than the sum of its proper divisors (28712542775013).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22697451702738 is an frugal number, since it uses more digits than its factorization.

22697451702738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97700 (or 48851 counting only the distinct ones).

The product of its (nonzero) digits is 71124480, while the sum is 63.

The spelling of 22697451702738 in words is "twenty-two trillion, six hundred ninety-seven billion, four hundred fifty-one million, seven hundred two thousand, seven hundred thirty-eight".