6622237 has 4 divisors (see below), whose sum is σ = 6850620. Its totient is φ = 6393856.

The previous prime is 6622211. The next prime is 6622283. The reversal of 6622237 is 7322266.

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

It can be written as a sum of positive squares in 2 ways, for example, as 4968441 + 1653796 = 2229^2 + 1286^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6622237 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6622037) 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, 114148 + ... + 114205.

It is an arithmetic number, because the mean of its divisors is an integer number (1712655).

Almost surely, 2^6622237 is an apocalyptic number.

It is an amenable number.

6622237 is a deficient number, since it is larger than the sum of its proper divisors (228383).

6622237 is a wasteful number, since it uses less digits than its factorization.

6622237 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228382.

The product of its digits is 6048, while the sum is 28.

The square root of 6622237 is about 2573.3707467056. The cubic root of 6622237 is about 187.7881743508.

It can be divided in two parts, 6622 and 237, that added together give a cube (6859 = 19³).

The spelling of 6622237 in words is "six million, six hundred twenty-two thousand, two hundred thirty-seven".