102244122 has 12 divisors (see below), whose sum is σ = 221528970. Its totient is φ = 34081368.

The previous prime is 102244117. The next prime is 102244127. The reversal of 102244122 is 221442201.

It is an interprime number because it is at equal distance from previous prime (102244117) and next prime (102244127).

It can be written as a sum of positive squares in only one way, i.e., 89132481 + 13111641 = 9441^2 + 3621^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 5680229 = 102244122 / (1 + 0 + 2 + 2 + 4 + 4 + 1 + 2 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 102244095 and 102244104.

It is not an unprimeable number, because it can be changed into a prime (102244127) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2840097 + ... + 2840132.

Almost surely, 2^102244122 is an apocalyptic number.

102244122 is an abundant number, since it is smaller than the sum of its proper divisors (119284848).

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

102244122 is a wasteful number, since it uses less digits than its factorization.

102244122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5680237 (or 5680234 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 102244122 is about 10111.5835555070. The cubic root of 102244122 is about 467.6053269122.

Adding to 102244122 its reverse (221442201), we get a palindrome (323686323).

The spelling of 102244122 in words is "one hundred two million, two hundred forty-four thousand, one hundred twenty-two".