7725422 has 4 divisors (see below), whose sum is σ = 11588136. Its totient is φ = 3862710.

The previous prime is 7725409. The next prime is 7725427. The reversal of 7725422 is 2245277.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7725427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1931354 + ... + 1931357.

It is an arithmetic number, because the mean of its divisors is an integer number (2897034).

Almost surely, 2^7725422 is an apocalyptic number.

7725422 is a deficient number, since it is larger than the sum of its proper divisors (3862714).

7725422 is a wasteful number, since it uses less digits than its factorization.

7725422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3862713.

The product of its digits is 7840, while the sum is 29.

The square root of 7725422 is about 2779.4643368822. The cubic root of 7725422 is about 197.6851609681.

The spelling of 7725422 in words is "seven million, seven hundred twenty-five thousand, four hundred twenty-two".