11229858 has 12 divisors (see below), whose sum is σ = 24331398. Its totient is φ = 3743280.

The previous prime is 11229853. The next prime is 11229863. The reversal of 11229858 is 85892211.

11229858 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 (11229853) and next prime (11229863).

It can be written as a sum of positive squares in only one way, i.e., 10478169 + 751689 = 3237^2 + 867^2 .

It is a super-2 number, since 2×11229858² = 252219421400328, which contains 22 as substring.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (11229853) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 311923 + ... + 311958.

Almost surely, 2^11229858 is an apocalyptic number.

11229858 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

11229858 is an abundant number, since it is smaller than the sum of its proper divisors (13101540).

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

11229858 is a wasteful number, since it uses less digits than its factorization.

11229858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 623889 (or 623886 counting only the distinct ones).

The product of its digits is 11520, while the sum is 36.

The square root of 11229858 is about 3351.0980290048. The cubic root of 11229858 is about 223.9364323236.

The spelling of 11229858 in words is "eleven million, two hundred twenty-nine thousand, eight hundred fifty-eight".