2272621 has 8 divisors (see below), whose sum is σ = 2489760. Its totient is φ = 2061552.

The previous prime is 2272619. The next prime is 2272631. The reversal of 2272621 is 1262722.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2272621 - 2¹ = 2272619 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2272592 and 2272601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2272631) 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, 715 + ... + 2248.

It is an arithmetic number, because the mean of its divisors is an integer number (311220).

2^2272621 is an apocalyptic number.

It is an amenable number.

2272621 is a deficient number, since it is larger than the sum of its proper divisors (217139).

2272621 is a wasteful number, since it uses less digits than its factorization.

2272621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3035.

The product of its digits is 672, while the sum is 22.

The square root of 2272621 is about 1507.5214758006. The cubic root of 2272621 is about 131.4747453995.

The spelling of 2272621 in words is "two million, two hundred seventy-two thousand, six hundred twenty-one".