722214 has 12 divisors (see below), whose sum is σ = 1564836. Its totient is φ = 240732.

The previous prime is 722213. The next prime is 722237. The reversal of 722214 is 412227.

It is a Smith number, since the sum of its digits (18) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 40123 = 722214 / (7 + 2 + 2 + 2 + 1 + 4).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (722213) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 20044 + ... + 20079.

It is an arithmetic number, because the mean of its divisors is an integer number (130403).

2⁷²²²¹⁴ is an apocalyptic number.

722214 is an abundant number, since it is smaller than the sum of its proper divisors (842622).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

722214 is a wasteful number, since it uses less digits than its factorization.

722214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40131 (or 40128 counting only the distinct ones).

The product of its digits is 224, while the sum is 18.

The square root of 722214 is about 849.8317480537. The cubic root of 722214 is about 89.7198697235.

The spelling of 722214 in words is "seven hundred twenty-two thousand, two hundred fourteen", and thus it is an iban number.