11220474 has 8 divisors (see below), whose sum is σ = 22440960. Its totient is φ = 3740156.

The previous prime is 11220467. The next prime is 11220487. The reversal of 11220474 is 47402211.

It is a happy number.

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

11220474 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 11220474.

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, 935034 + ... + 935045.

It is an arithmetic number, because the mean of its divisors is an integer number (2805120).

Almost surely, 2^11220474 is an apocalyptic number.

11220474 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

11220474 is a wasteful number, since it uses less digits than its factorization.

11220474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1870084.

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

The square root of 11220474 is about 3349.6975982915. The cubic root of 11220474 is about 223.8740389823.

Adding to 11220474 its reverse (47402211), we get a palindrome (58622685).

The spelling of 11220474 in words is "eleven million, two hundred twenty thousand, four hundred seventy-four".