102225074 has 12 divisors (see below), whose sum is σ = 178372494. Its totient is φ = 43810704.

The previous prime is 102225031. The next prime is 102225077. The reversal of 102225074 is 470522201.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 74736025 + 27489049 = 8645^2 + 5243^2 .

It is not an unprimeable number, because it can be changed into a prime (102225077) 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, 521459 + ... + 521654.

Almost surely, 2^102225074 is an apocalyptic number.

102225074 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

102225074 is a deficient number, since it is larger than the sum of its proper divisors (76147420).

102225074 is a wasteful number, since it uses less digits than its factorization.

102225074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1043129 (or 1043122 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 23.

The square root of 102225074 is about 10110.6416215787. The cubic root of 102225074 is about 467.5762869398.

Adding to 102225074 its reverse (470522201), we get a palindrome (572747275).

The spelling of 102225074 in words is "one hundred two million, two hundred twenty-five thousand, seventy-four".