1222534837415 has 4 divisors (see below), whose sum is σ = 1467041804904. Its totient is φ = 978027869928.

The previous prime is 1222534837399. The next prime is 1222534837427. The reversal of 1222534837415 is 5147384352221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1222534837415 - 2⁴ = 1222534837399 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1222534837415.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 122253483737 + ... + 122253483746.

It is an arithmetic number, because the mean of its divisors is an integer number (366760451226).

Almost surely, 2^{1222534837415} is an apocalyptic number.

1222534837415 is a deficient number, since it is larger than the sum of its proper divisors (244506967489).

1222534837415 is an equidigital number, since it uses as much as digits as its factorization.

1222534837415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244506967488.

The product of its digits is 1612800, while the sum is 47.

The spelling of 1222534837415 in words is "one trillion, two hundred twenty-two billion, five hundred thirty-four million, eight hundred thirty-seven thousand, four hundred fifteen".