2207642 has 8 divisors (see below), whose sum is σ = 3401076. Its totient is φ = 1073952.

The previous prime is 2207633. The next prime is 2207677. The reversal of 2207642 is 2467022.

It can be written as a sum of positive squares in 2 ways, for example, as 2128681 + 78961 = 1459^2 + 281^2 .

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

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14843 + ... + 14990.

2^2207642 is an apocalyptic number.

2207642 is a deficient number, since it is larger than the sum of its proper divisors (1193434).

2207642 is a wasteful number, since it uses less digits than its factorization.

2207642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29872.

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 2207642 is about 1485.8135818467. The cubic root of 2207642 is about 130.2095633775.

The spelling of 2207642 in words is "two million, two hundred seven thousand, six hundred forty-two".