722148 has 24 divisors (see below), whose sum is σ = 1925952. Its totient is φ = 206304.

The previous prime is 722147. The next prime is 722149. The reversal of 722148 is 841227.

It is an interprime number because it is at equal distance from previous prime (722147) and next prime (722149).

It is not an unprimeable number, because it can be changed into a prime (722147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4215 + ... + 4382.

It is an arithmetic number, because the mean of its divisors is an integer number (80248).

2⁷²²¹⁴⁸ is an apocalyptic number.

It is an amenable number.

722148 is an abundant number, since it is smaller than the sum of its proper divisors (1203804).

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

722148 is a wasteful number, since it uses less digits than its factorization.

722148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8611 (or 8609 counting only the distinct ones).

The product of its digits is 896, while the sum is 24.

The square root of 722148 is about 849.7929159507. The cubic root of 722148 is about 89.7171366038.

It can be divided in two parts, 7 and 22148, that added together give a triangular number (22155 = T₂₁₀).

The spelling of 722148 in words is "seven hundred twenty-two thousand, one hundred forty-eight".