11229472 has 24 divisors (see below), whose sum is σ = 22329216. Its totient is φ = 5558592.

The previous prime is 11229461. The next prime is 11229509. The reversal of 11229472 is 27492211.

It is a super-2 number, since 2×11229472² = 252202082797568, which contains 22 as substring.

It is a Smith number, since the sum of its digits (28) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 11229472.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1593 + ... + 4999.

It is an arithmetic number, because the mean of its divisors is an integer number (930384).

Almost surely, 2^11229472 is an apocalyptic number.

It is an amenable number.

11229472 is a deficient number, since it is larger than the sum of its proper divisors (11099744).

11229472 is a wasteful number, since it uses less digits than its factorization.

11229472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3520 (or 3512 counting only the distinct ones).

The product of its digits is 2016, while the sum is 28.

The square root of 11229472 is about 3351.0404354469. The cubic root of 11229472 is about 223.9338665312.

It can be divided in two parts, 112 and 29472, that added together give a square (29584 = 172²).

The spelling of 11229472 in words is "eleven million, two hundred twenty-nine thousand, four hundred seventy-two".