722254 has 8 divisors (see below), whose sum is σ = 1166760. Its totient is φ = 333336.

The previous prime is 722243. The next prime is 722257. The reversal of 722254 is 452227.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an Ulam number.

It is a d-powerful number, because it can be written as 7⁶ + 2⁷ + 2¹¹ + 2¹⁹ + 5⁷ + 4² .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (722257) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13864 + ... + 13915.

It is an arithmetic number, because the mean of its divisors is an integer number (145845).

2⁷²²²⁵⁴ is an apocalyptic number.

722254 is a deficient number, since it is larger than the sum of its proper divisors (444506).

722254 is a wasteful number, since it uses less digits than its factorization.

722254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27794.

The product of its digits is 1120, while the sum is 22.

The square root of 722254 is about 849.8552817980. The cubic root of 722254 is about 89.7215260786.

The spelling of 722254 in words is "seven hundred twenty-two thousand, two hundred fifty-four".