15226630 has 8 divisors (see below), whose sum is σ = 27407952. Its totient is φ = 6090648.

The previous prime is 15226613. The next prime is 15226649. The reversal of 15226630 is 3662251.

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

It is a super-2 number, since 2×15226630² = 463700522313800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 15226595 and 15226604.

It is a congruent number.

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, 761322 + ... + 761341.

It is an arithmetic number, because the mean of its divisors is an integer number (3425994).

Almost surely, 2^15226630 is an apocalyptic number.

15226630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

15226630 is a deficient number, since it is larger than the sum of its proper divisors (12181322).

15226630 is a wasteful number, since it uses less digits than its factorization.

15226630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1522670.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 15226630 is about 3902.1314688257. The cubic root of 15226630 is about 247.8570434341.

Adding to 15226630 its reverse (3662251), we get a palindrome (18888881).

The spelling of 15226630 in words is "fifteen million, two hundred twenty-six thousand, six hundred thirty".