1022155445223 has 36 divisors (see below), whose sum is σ = 1649475779224. Its totient is φ = 609332565600.

The previous prime is 1022155445203. The next prime is 1022155445293. The reversal of 1022155445223 is 3225445512201.

1022155445223 is a `hidden beast` number, since 10 + 2 + 21 + 554 + 4 + 52 + 23 = 666.

It is not a de Polignac number, because 1022155445223 - 2⁸ = 1022155444967 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022155445203) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 7627165 + ... + 7760022.

Almost surely, 2^{1022155445223} is an apocalyptic number.

1022155445223 is a deficient number, since it is larger than the sum of its proper divisors (627320334001).

1022155445223 is a wasteful number, since it uses less digits than its factorization.

1022155445223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15387276 (or 15387262 counting only the distinct ones).

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

The spelling of 1022155445223 in words is "one trillion, twenty-two billion, one hundred fifty-five million, four hundred forty-five thousand, two hundred twenty-three".