15222463 has 8 divisors (see below), whose sum is σ = 16157232. Its totient is φ = 14292096.

The previous prime is 15222437. The next prime is 15222469. The reversal of 15222463 is 36422251.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 15222463 - 2²¹ = 13125311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15222469) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8481 + ... + 10117.

It is an arithmetic number, because the mean of its divisors is an integer number (2019654).

Almost surely, 2^15222463 is an apocalyptic number.

15222463 is a deficient number, since it is larger than the sum of its proper divisors (934769).

15222463 is a wasteful number, since it uses less digits than its factorization.

15222463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2201.

The product of its digits is 2880, while the sum is 25.

The square root of 15222463 is about 3901.5974933353. The cubic root of 15222463 is about 247.8344314153.

The spelling of 15222463 in words is "fifteen million, two hundred twenty-two thousand, four hundred sixty-three".