21222245455034 has 32 divisors (see below), whose sum is σ = 34489970557056. Its totient is φ = 9735496580160.

The previous prime is 21222245455007. The next prime is 21222245455049. The reversal of 21222245455034 is 43055454222212.

It is a super-2 number, since 2×21222245455034² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 21222245454982 and 21222245455000.

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, 59659769 + ... + 60014435.

It is an arithmetic number, because the mean of its divisors is an integer number (1077811579908).

Almost surely, 2^{21222245455034} is an apocalyptic number.

21222245455034 is a deficient number, since it is larger than the sum of its proper divisors (13267725102022).

21222245455034 is a wasteful number, since it uses less digits than its factorization.

21222245455034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 368630.

The product of its (nonzero) digits is 768000, while the sum is 41.

Adding to 21222245455034 its reverse (43055454222212), we get a palindrome (64277699677246).

The spelling of 21222245455034 in words is "twenty-one trillion, two hundred twenty-two billion, two hundred forty-five million, four hundred fifty-five thousand, thirty-four".