2221252 has 24 divisors (see below), whose sum is σ = 4465440. Its totient is φ = 956160.

The previous prime is 2221249. The next prime is 2221253. The reversal of 2221252 is 2521222.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (2221253) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 493 + ... + 2164.

It is an arithmetic number, because the mean of its divisors is an integer number (186060).

2^2221252 is an apocalyptic number.

2221252 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2221252 is an abundant number, since it is smaller than the sum of its proper divisors (2244188).

2221252 is a wasteful number, since it uses less digits than its factorization.

2221252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2691 (or 2689 counting only the distinct ones).

The product of its digits is 160, while the sum is 16.

The square root of 2221252 is about 1490.3865270459. The cubic root of 2221252 is about 130.4765938165.

Adding to 2221252 its reverse (2521222), we get a palindrome (4742474).

The spelling of 2221252 in words is "two million, two hundred twenty-one thousand, two hundred fifty-two".