22311201522152 has 8 divisors (see below), whose sum is σ = 41833502854050. Its totient is φ = 11155600761072.

The previous prime is 22311201522149. The next prime is 22311201522173. The reversal of 22311201522152 is 25122510211322.

It can be written as a sum of positive squares in only one way, i.e., 19122027019876 + 3189174502276 = 4372874^2 + 1785826^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-3 number, since 3×22311201522152³ (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1394450095127 + ... + 1394450095142.

Almost surely, 2^{22311201522152} is an apocalyptic number.

It is an amenable number.

22311201522152 is a deficient number, since it is larger than the sum of its proper divisors (19522301331898).

22311201522152 is a wasteful number, since it uses less digits than its factorization.

22311201522152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2788900190275 (or 2788900190271 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 29.

Adding to 22311201522152 its reverse (25122510211322), we get a palindrome (47433711733474).

The spelling of 22311201522152 in words is "twenty-two trillion, three hundred eleven billion, two hundred one million, five hundred twenty-two thousand, one hundred fifty-two".