15220102 has 16 divisors (see below), whose sum is σ = 24620400. Its totient is φ = 7032960.

The previous prime is 15220097. The next prime is 15220111. The reversal of 15220102 is 20102251.

15220102 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3327 + ... + 6442.

It is an arithmetic number, because the mean of its divisors is an integer number (1538775).

Almost surely, 2^15220102 is an apocalyptic number.

15220102 is a deficient number, since it is larger than the sum of its proper divisors (9400298).

15220102 is a wasteful number, since it uses less digits than its factorization.

15220102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9831.

The product of its (nonzero) digits is 40, while the sum is 13.

The square root of 15220102 is about 3901.2949132307. The cubic root of 15220102 is about 247.8216177345.

Adding to 15220102 its reverse (20102251), we get a palindrome (35322353).

It can be divided in two parts, 152 and 20102, that multiplied together give a square (3055504 = 1748²).

The spelling of 15220102 in words is "fifteen million, two hundred twenty thousand, one hundred two".