7122663 has 24 divisors (see below), whose sum is σ = 11306880. Its totient is φ = 4300560.

The previous prime is 7122641. The next prime is 7122667. The reversal of 7122663 is 3662217.

It is a happy number.

It is not a de Polignac number, because 7122663 - 2⁸ = 7122407 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7122667) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3028 + ... + 4838.

It is an arithmetic number, because the mean of its divisors is an integer number (471120).

Almost surely, 2^7122663 is an apocalyptic number.

7122663 is a deficient number, since it is larger than the sum of its proper divisors (4184217).

7122663 is a wasteful number, since it uses less digits than its factorization.

7122663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1859 (or 1856 counting only the distinct ones).

The product of its digits is 3024, while the sum is 27.

The square root of 7122663 is about 2668.8317668973. The cubic root of 7122663 is about 192.4040157904.

It can be divided in two parts, 71226 and 63, that added together give a square (71289 = 267²).

The spelling of 7122663 in words is "seven million, one hundred twenty-two thousand, six hundred sixty-three".