7822772 has 6 divisors (see below), whose sum is σ = 13689858. Its totient is φ = 3911384.

The previous prime is 7822769. The next prime is 7822831. The reversal of 7822772 is 2772287.

It can be written as a sum of positive squares in only one way, i.e., 7365796 + 456976 = 2714^2 + 676^2 .

It is a super-2 number, since 2×7822772² = 122391523527968, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 977843 + ... + 977850.

It is an arithmetic number, because the mean of its divisors is an integer number (2281643).

Almost surely, 2^7822772 is an apocalyptic number.

It is an amenable number.

7822772 is a deficient number, since it is larger than the sum of its proper divisors (5867086).

7822772 is a wasteful number, since it uses less digits than its factorization.

7822772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1955697 (or 1955695 counting only the distinct ones).

The product of its digits is 21952, while the sum is 35.

The square root of 7822772 is about 2796.9218794954. The cubic root of 7822772 is about 198.5120575891.

The spelling of 7822772 in words is "seven million, eight hundred twenty-two thousand, seven hundred seventy-two".