7229642 has 16 divisors (see below), whose sum is σ = 12821760. Its totient is φ = 2991408.

The previous prime is 7229639. The next prime is 7229687. The reversal of 7229642 is 2469227.

It is a junction number, because it is equal to n+sod(n) for n = 7229599 and 7229608.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8498 + ... + 9309.

It is an arithmetic number, because the mean of its divisors is an integer number (801360).

Almost surely, 2^7229642 is an apocalyptic number.

7229642 is a deficient number, since it is larger than the sum of its proper divisors (5592118).

7229642 is a wasteful number, since it uses less digits than its factorization.

7229642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17845.

The product of its digits is 12096, while the sum is 32.

The square root of 7229642 is about 2688.7993603094. The cubic root of 7229642 is about 193.3625051766.

The spelling of 7229642 in words is "seven million, two hundred twenty-nine thousand, six hundred forty-two".