7266722 has 4 divisors (see below), whose sum is σ = 10900086. Its totient is φ = 3633360.

The previous prime is 7266719. The next prime is 7266737. The reversal of 7266722 is 2276627.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2276627 = 151 ⋅15077.

It can be written as a sum of positive squares in only one way, i.e., 7187761 + 78961 = 2681^2 + 281^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1816679 + ... + 1816682.

Almost surely, 2^7266722 is an apocalyptic number.

7266722 is a deficient number, since it is larger than the sum of its proper divisors (3633364).

7266722 is a wasteful number, since it uses less digits than its factorization.

7266722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3633363.

The product of its digits is 14112, while the sum is 32.

The square root of 7266722 is about 2695.6858125531. The cubic root of 7266722 is about 193.6925196120.

The spelling of 7266722 in words is "seven million, two hundred sixty-six thousand, seven hundred twenty-two".