102422861 has 16 divisors (see below), whose sum is σ = 107262144. Its totient is φ = 97730304.

The previous prime is 102422821. The next prime is 102422899. The reversal of 102422861 is 168224201.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102422861 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 102422861.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102422821) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 519815 + ... + 520011.

It is an arithmetic number, because the mean of its divisors is an integer number (6703884).

Almost surely, 2^102422861 is an apocalyptic number.

It is an amenable number.

102422861 is a deficient number, since it is larger than the sum of its proper divisors (4839283).

102422861 is a wasteful number, since it uses less digits than its factorization.

102422861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 460.

The product of its (nonzero) digits is 1536, while the sum is 26.

The square root of 102422861 is about 10120.4180249632. The cubic root of 102422861 is about 467.8776511326.

The spelling of 102422861 in words is "one hundred two million, four hundred twenty-two thousand, eight hundred sixty-one".