2622251 has 4 divisors (see below), whose sum is σ = 2640000. Its totient is φ = 2604504.

The previous prime is 2622241. The next prime is 2622283. The reversal of 2622251 is 1522262.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2622251 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2622211) 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, 8651 + ... + 8948.

It is an arithmetic number, because the mean of its divisors is an integer number (660000).

2^2622251 is an apocalyptic number.

2622251 is a deficient number, since it is larger than the sum of its proper divisors (17749).

2622251 is a wasteful number, since it uses less digits than its factorization.

2622251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17748.

The product of its digits is 480, while the sum is 20.

The square root of 2622251 is about 1619.3365925588. The cubic root of 2622251 is about 137.8980378247.

The spelling of 2622251 in words is "two million, six hundred twenty-two thousand, two hundred fifty-one".