22311356402 has 8 divisors (see below), whose sum is σ = 34922123136. Its totient is φ = 10670648692.

The previous prime is 22311356399. The next prime is 22311356411. The reversal of 22311356402 is 20465311322.

It is a happy number.

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

It is a super-3 number, since 3×22311356402³ (a number of 32 digits) contains 333 as substring.

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 3 ways as a sum of consecutive naturals, for example, 242514698 + ... + 242514789.

It is an arithmetic number, because the mean of its divisors is an integer number (4365265392).

Almost surely, 2^22311356402 is an apocalyptic number.

22311356402 is a deficient number, since it is larger than the sum of its proper divisors (12610766734).

22311356402 is a wasteful number, since it uses less digits than its factorization.

22311356402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 485029512.

The product of its (nonzero) digits is 8640, while the sum is 29.

Adding to 22311356402 its reverse (20465311322), we get a palindrome (42776667724).

The spelling of 22311356402 in words is "twenty-two billion, three hundred eleven million, three hundred fifty-six thousand, four hundred two".