22315663463642 has 4 divisors (see below), whose sum is σ = 33473495195466. Its totient is φ = 11157831731820.

The previous prime is 22315663463629. The next prime is 22315663463647. The reversal of 22315663463642 is 24636436651322.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 19151992937401 + 3163670526241 = 4376299^2 + 1778671^2 .

It is a super-3 number, since 3×22315663463642³ (a number of 41 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (22315663463647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5578915865909 + ... + 5578915865912.

Almost surely, 2^{22315663463642} is an apocalyptic number.

22315663463642 is a deficient number, since it is larger than the sum of its proper divisors (11157831731824).

22315663463642 is a wasteful number, since it uses less digits than its factorization.

22315663463642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11157831731823.

The product of its digits is 22394880, while the sum is 53.

The spelling of 22315663463642 in words is "twenty-two trillion, three hundred fifteen billion, six hundred sixty-three million, four hundred sixty-three thousand, six hundred forty-two".