22202661321 has 6 divisors (see below), whose sum is σ = 32070510810. Its totient is φ = 14801774208.

The previous prime is 22202661307. The next prime is 22202661329. The reversal of 22202661321 is 12316620222.

It is a happy number.

22202661321 is a `hidden beast` number, since 2 + 2 + 2 + 0 + 26 + 613 + 21 = 666.

It can be written as a sum of positive squares in only one way, i.e., 21976580025 + 226081296 = 148245^2 + 15036^2 .

It is not a de Polignac number, because 22202661321 - 2¹¹ = 22202659273 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22202661329) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1233481176 + ... + 1233481193.

It is an arithmetic number, because the mean of its divisors is an integer number (5345085135).

Almost surely, 2^22202661321 is an apocalyptic number.

It is an amenable number.

22202661321 is a deficient number, since it is larger than the sum of its proper divisors (9867849489).

22202661321 is a wasteful number, since it uses less digits than its factorization.

22202661321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2466962375 (or 2466962372 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The spelling of 22202661321 in words is "twenty-two billion, two hundred two million, six hundred sixty-one thousand, three hundred twenty-one".