11442212 has 6 divisors (see below), whose sum is σ = 20023878. Its totient is φ = 5721104.

The previous prime is 11442209. The next prime is 11442227. The reversal of 11442212 is 21224411.

It can be written as a sum of positive squares in only one way, i.e., 6031936 + 5410276 = 2456^2 + 2326^2 .

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1430273 + ... + 1430280.

It is an arithmetic number, because the mean of its divisors is an integer number (3337313).

Almost surely, 2^11442212 is an apocalyptic number.

It is an amenable number.

11442212 is a deficient number, since it is larger than the sum of its proper divisors (8581666).

11442212 is a wasteful number, since it uses less digits than its factorization.

11442212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2860557 (or 2860555 counting only the distinct ones).

The product of its digits is 128, while the sum is 17.

The square root of 11442212 is about 3382.6338850074. The cubic root of 11442212 is about 225.3391560026.

Adding to 11442212 its reverse (21224411), we get a palindrome (32666623).

The spelling of 11442212 in words is "eleven million, four hundred forty-two thousand, two hundred twelve".