15222652 has 6 divisors (see below), whose sum is σ = 26639648. Its totient is φ = 7611324.

The previous prime is 15222631. The next prime is 15222659. The reversal of 15222652 is 25622251.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15222659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1902828 + ... + 1902835.

Almost surely, 2^15222652 is an apocalyptic number.

It is an amenable number.

15222652 is a deficient number, since it is larger than the sum of its proper divisors (11416996).

15222652 is a wasteful number, since it uses less digits than its factorization.

15222652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3805667 (or 3805665 counting only the distinct ones).

The product of its digits is 2400, while the sum is 25.

The square root of 15222652 is about 3901.6217141081. The cubic root of 15222652 is about 247.8354571038.

The spelling of 15222652 in words is "fifteen million, two hundred twenty-two thousand, six hundred fifty-two".