7422866 has 24 divisors (see below), whose sum is σ = 12584460. Its totient is φ = 3278880.

The previous prime is 7422841. The next prime is 7422871. The reversal of 7422866 is 6682247.

It can be written as a sum of positive squares in 2 ways, for example, as 6911641 + 511225 = 2629^2 + 715^2 .

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8540 + ... + 9368.

Almost surely, 2^7422866 is an apocalyptic number.

7422866 is a deficient number, since it is larger than the sum of its proper divisors (5161594).

7422866 is a wasteful number, since it uses less digits than its factorization.

7422866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 890 (or 879 counting only the distinct ones).

The product of its digits is 32256, while the sum is 35.

The square root of 7422866 is about 2724.4937144358. The cubic root of 7422866 is about 195.0700252561.

The spelling of 7422866 in words is "seven million, four hundred twenty-two thousand, eight hundred sixty-six".