15225102 has 24 divisors (see below), whose sum is σ = 33144384. Its totient is φ = 5050944.

The previous prime is 15225101. The next prime is 15225113. The reversal of 15225102 is 20152251.

15225102 is a `hidden beast` number, since 152 + 2 + 510 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15225101) 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, 2118 + ... + 5910.

It is an arithmetic number, because the mean of its divisors is an integer number (1381016).

Almost surely, 2^15225102 is an apocalyptic number.

15225102 is an abundant number, since it is smaller than the sum of its proper divisors (17919282).

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

15225102 is a wasteful number, since it uses less digits than its factorization.

15225102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4024 (or 4021 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 15225102 is about 3901.9356734831. The cubic root of 15225102 is about 247.8487522969.

Adding to 15225102 its reverse (20152251), we get a palindrome (35377353).

The spelling of 15225102 in words is "fifteen million, two hundred twenty-five thousand, one hundred two".