102022844 has 36 divisors (see below), whose sum is σ = 224289072. Its totient is φ = 39747840.

The previous prime is 102022819. The next prime is 102022849. The reversal of 102022844 is 448220201.

It is a happy number.

It is a Smith number, since the sum of its digits (23) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102022849) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11669 + ... + 18444.

It is an arithmetic number, because the mean of its divisors is an integer number (6230252).

Almost surely, 2^102022844 is an apocalyptic number.

102022844 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

102022844 is an abundant number, since it is smaller than the sum of its proper divisors (122266228).

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

102022844 is a wasteful number, since it uses less digits than its factorization.

102022844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30146 (or 30133 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 23.

The square root of 102022844 is about 10100.6358215708. The cubic root of 102022844 is about 467.2677508454.

The spelling of 102022844 in words is "one hundred two million, twenty-two thousand, eight hundred forty-four".