11252280 has 64 divisors (see below), whose sum is σ = 36358560. Its totient is φ = 2769408.

The previous prime is 11252279. The next prime is 11252281. The reversal of 11252280 is 8225211.

It is a happy number.

11252280 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (11252279) and next prime (11252281).

It is a super-2 number, since 2×11252280² = 253227610396800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11252281) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2047 + ... + 5166.

Almost surely, 2^11252280 is an apocalyptic number.

11252280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11252280 is an abundant number, since it is smaller than the sum of its proper divisors (25106280).

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

11252280 is a wasteful number, since it uses less digits than its factorization.

11252280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7240 (or 7236 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 21.

The square root of 11252280 is about 3354.4418313633. The cubic root of 11252280 is about 224.0853734947.

Adding to 11252280 its reverse (8225211), we get a palindrome (19477491).

The spelling of 11252280 in words is "eleven million, two hundred fifty-two thousand, two hundred eighty".