21222235062602 has 32 divisors (see below), whose sum is σ = 36428754585600. Its totient is φ = 9083302281648.

The previous prime is 21222235062593. The next prime is 21222235062629. The reversal of 21222235062602 is 20626053222212.

It is a super-2 number, since 2×21222235062602² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69557099 + ... + 69861537.

It is an arithmetic number, because the mean of its divisors is an integer number (1138398580800).

Almost surely, 2^{21222235062602} is an apocalyptic number.

21222235062602 is a deficient number, since it is larger than the sum of its proper divisors (15206519522998).

21222235062602 is a wasteful number, since it uses less digits than its factorization.

21222235062602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310970.

The product of its (nonzero) digits is 69120, while the sum is 35.

Adding to 21222235062602 its reverse (20626053222212), we get a palindrome (41848288284814).

The spelling of 21222235062602 in words is "twenty-one trillion, two hundred twenty-two billion, two hundred thirty-five million, sixty-two thousand, six hundred two".