15222002 has 8 divisors (see below), whose sum is σ = 24034800. Its totient is φ = 7210404.

The previous prime is 15221963. The next prime is 15222041. The reversal of 15222002 is 20022251.

It is an interprime number because it is at equal distance from previous prime (15221963) and next prime (15222041).

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

It is a super-3 number, since 3×15222002³ (a number of 23 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 200252 + ... + 200327.

It is an arithmetic number, because the mean of its divisors is an integer number (3004350).

Almost surely, 2^15222002 is an apocalyptic number.

15222002 is a deficient number, since it is larger than the sum of its proper divisors (8812798).

15222002 is a wasteful number, since it uses less digits than its factorization.

15222002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400600.

The product of its (nonzero) digits is 80, while the sum is 14.

The square root of 15222002 is about 3901.5384145232. The cubic root of 15222002 is about 247.8319295682.

Adding to 15222002 its reverse (20022251), we get a palindrome (35244253).

The spelling of 15222002 in words is "fifteen million, two hundred twenty-two thousand, two".