2272072 has 16 divisors (see below), whose sum is σ = 4647600. Its totient is φ = 1032720.

The previous prime is 2272019. The next prime is 2272073. The reversal of 2272072 is 2702722.

It is a super-2 number, since 2×2272072² = 10324622346368, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (2272073) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12822 + ... + 12997.

It is an arithmetic number, because the mean of its divisors is an integer number (290475).

2^2272072 is an apocalyptic number.

2272072 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2272072 is an abundant number, since it is smaller than the sum of its proper divisors (2375528).

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

2272072 is a wasteful number, since it uses less digits than its factorization.

2272072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25836 (or 25832 counting only the distinct ones).

The product of its (nonzero) digits is 784, while the sum is 22.

The square root of 2272072 is about 1507.3393778443. The cubic root of 2272072 is about 131.4641577054.

Adding to 2272072 its reverse (2702722), we get a palindrome (4974794).

The spelling of 2272072 in words is "two million, two hundred seventy-two thousand, seventy-two".