1022256325623 has 16 divisors (see below), whose sum is σ = 1531675031040. Its totient is φ = 601729475424.

The previous prime is 1022256325619. The next prime is 1022256325639. The reversal of 1022256325623 is 3265236522201.

It is not a de Polignac number, because 1022256325623 - 2² = 1022256325619 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022256325523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 569818683 + ... + 569820476.

It is an arithmetic number, because the mean of its divisors is an integer number (95729689440).

Almost surely, 2^{1022256325623} is an apocalyptic number.

1022256325623 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1022256325623 is a deficient number, since it is larger than the sum of its proper divisors (509418705417).

1022256325623 is a wasteful number, since it uses less digits than its factorization.

1022256325623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1139639198.

The product of its (nonzero) digits is 259200, while the sum is 39.

The spelling of 1022256325623 in words is "one trillion, twenty-two billion, two hundred fifty-six million, three hundred twenty-five thousand, six hundred twenty-three".