102202044 has 72 divisors (see below), whose sum is σ = 281323728. Its totient is φ = 28788480.

The previous prime is 102202039. The next prime is 102202057. The reversal of 102202044 is 440202201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 41734 + ... + 44114.

It is an arithmetic number, because the mean of its divisors is an integer number (3907274).

Almost surely, 2^102202044 is an apocalyptic number.

102202044 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102202044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (140661864).

102202044 is an abundant number, since it is smaller than the sum of its proper divisors (179121684).

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

102202044 is a wasteful number, since it uses less digits than its factorization.

102202044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2475 (or 2466 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 102202044 is about 10109.5026583903. The cubic root of 102202044 is about 467.5411713195.

Adding to 102202044 its reverse (440202201), we get a palindrome (542404245).

The spelling of 102202044 in words is "one hundred two million, two hundred two thousand, forty-four".