1022155345194 has 32 divisors (see below), whose sum is σ = 2046098577600. Its totient is φ = 340420560000.

The previous prime is 1022155345171. The next prime is 1022155345213. The reversal of 1022155345194 is 4915435512201.

It is a happy number.

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, 86610094 + ... + 86621894.

It is an arithmetic number, because the mean of its divisors is an integer number (63940580550).

Almost surely, 2^{1022155345194} is an apocalyptic number.

1022155345194 is an abundant number, since it is smaller than the sum of its proper divisors (1023943232406).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1022155345194 is a wasteful number, since it uses less digits than its factorization.

1022155345194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23206.

The product of its (nonzero) digits is 216000, while the sum is 42.

The spelling of 1022155345194 in words is "one trillion, twenty-two billion, one hundred fifty-five million, three hundred forty-five thousand, one hundred ninety-four".