11472222 has 16 divisors (see below), whose sum is σ = 23235840. Its totient is φ = 3775512.

The previous prime is 11472217. The next prime is 11472233. The reversal of 11472222 is 22227411.

It is a super-2 number, since 2×11472222² = 263223755234568, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11628 + ... + 12575.

It is an arithmetic number, because the mean of its divisors is an integer number (1452240).

Almost surely, 2^11472222 is an apocalyptic number.

11472222 is an abundant number, since it is smaller than the sum of its proper divisors (11763618).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11472222 is a wasteful number, since it uses less digits than its factorization.

11472222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24287.

The product of its digits is 448, while the sum is 21.

The square root of 11472222 is about 3387.0668726791. The cubic root of 11472222 is about 225.5359863775.

Adding to 11472222 its reverse (22227411), we get a palindrome (33699633).

The spelling of 11472222 in words is "eleven million, four hundred seventy-two thousand, two hundred twenty-two".