22310231402 has 4 divisors (see below), whose sum is σ = 33465347106. Its totient is φ = 11155115700.

The previous prime is 22310231213. The next prime is 22310231417. The reversal of 22310231402 is 20413201322.

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., 22120315441 + 189915961 = 148729^2 + 13781^2 .

It is a super-3 number, since 3×22310231402³ (a number of 32 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5577557849 + ... + 5577557852.

Almost surely, 2^22310231402 is an apocalyptic number.

22310231402 is a deficient number, since it is larger than the sum of its proper divisors (11155115704).

22310231402 is a wasteful number, since it uses less digits than its factorization.

22310231402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11155115703.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 22310231402 its reverse (20413201322), we get a palindrome (42723432724).

The spelling of 22310231402 in words is "twenty-two billion, three hundred ten million, two hundred thirty-one thousand, four hundred two".