11229201 has 9 divisors (see below), whose sum is σ = 16234491. Its totient is φ = 7479432.

The previous prime is 11229191. The next prime is 11229217. The reversal of 11229201 is 10292211.

The square root of 11229201 is 3351.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 497025 + 10732176 = 705^2 + 3276^2 .

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 11229201 - 2⁷ = 11229073 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11229301) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 9495 + ... + 10611.

Almost surely, 2^11229201 is an apocalyptic number.

11229201 is the 3351-st square number.

11229201 is the 1676-th centered octagonal number.

It is an amenable number.

11229201 is a deficient number, since it is larger than the sum of its proper divisors (5005290).

11229201 is an frugal number, since it uses more digits than its factorization.

11229201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2240 (or 1120 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

The cubic root of 11229201 is about 223.9320651237.

The spelling of 11229201 in words is "eleven million, two hundred twenty-nine thousand, two hundred one".