22211312002 has 12 divisors (see below), whose sum is σ = 36621130518. Its totient is φ = 10096050800.

The previous prime is 22211311957. The next prime is 22211312021. The reversal of 22211312002 is 20021311222.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 14215554441 + 7995757561 = 119229^2 + 89419^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 45890899 + ... + 45891382.

Almost surely, 2^22211312002 is an apocalyptic number.

22211312002 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22211312002 is a deficient number, since it is larger than the sum of its proper divisors (14409818516).

22211312002 is a wasteful number, since it uses less digits than its factorization.

22211312002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91782305 (or 91782294 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 22211312002 its reverse (20021311222), we get a palindrome (42232623224).

The spelling of 22211312002 in words is "twenty-two billion, two hundred eleven million, three hundred twelve thousand, two".