22011223402 has 16 divisors (see below), whose sum is σ = 37750224960. Its totient is φ = 9429206688.

The previous prime is 22011223363. The next prime is 22011223439. The reversal of 22011223402 is 20432211022.

It is a self number, because there is not a number n which added to its sum of digits gives 22011223402.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 315027 + ... + 378502.

It is an arithmetic number, because the mean of its divisors is an integer number (2359389060).

Almost surely, 2^22011223402 is an apocalyptic number.

22011223402 is a deficient number, since it is larger than the sum of its proper divisors (15739001558).

22011223402 is a wasteful number, since it uses less digits than its factorization.

22011223402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 695805.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 22011223402 its reverse (20432211022), we get a palindrome (42443434424).

The spelling of 22011223402 in words is "twenty-two billion, eleven million, two hundred twenty-three thousand, four hundred two".