1222345031155 has 16 divisors (see below), whose sum is σ = 1485101721600. Its totient is φ = 965757903840.

The previous prime is 1222345031087. The next prime is 1222345031177. The reversal of 1222345031155 is 5511305432221.

It is not a de Polignac number, because 1222345031155 - 2¹⁵ = 1222344998387 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1222345031155.

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, 4471365 + ... + 4736854.

It is an arithmetic number, because the mean of its divisors is an integer number (92818857600).

Almost surely, 2^{1222345031155} is an apocalyptic number.

1222345031155 is a deficient number, since it is larger than the sum of its proper divisors (262756690445).

1222345031155 is a wasteful number, since it uses less digits than its factorization.

1222345031155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9208554.

The product of its (nonzero) digits is 36000, while the sum is 34.

The spelling of 1222345031155 in words is "one trillion, two hundred twenty-two billion, three hundred forty-five million, thirty-one thousand, one hundred fifty-five".