1222215224535 has 48 divisors (see below), whose sum is σ = 2122877989440. Its totient is φ = 650504424960.

The previous prime is 1222215224497. The next prime is 1222215224563. The reversal of 1222215224535 is 5354225122221.

1222215224535 is a `hidden beast` number, since 12 + 22 + 21 + 52 + 24 + 535 = 666.

It is not a de Polignac number, because 1222215224535 - 2¹⁵ = 1222215191767 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1222215224535.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 44542270 + ... + 44569700.

It is an arithmetic number, because the mean of its divisors is an integer number (44226624780).

Almost surely, 2^{1222215224535} is an apocalyptic number.

1222215224535 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1222215224535 is a deficient number, since it is larger than the sum of its proper divisors (900662764905).

1222215224535 is a wasteful number, since it uses less digits than its factorization.

1222215224535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29448 (or 29445 counting only the distinct ones).

The product of its digits is 96000, while the sum is 36.

The spelling of 1222215224535 in words is "one trillion, two hundred twenty-two billion, two hundred fifteen million, two hundred twenty-four thousand, five hundred thirty-five".