722208270 has 64 divisors (see below), whose sum is σ = 1999489536. Its totient is φ = 163528320.

The previous prime is 722208269. The next prime is 722208301. The reversal of 722208270 is 72802227.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6400 + ... + 38540.

It is an arithmetic number, because the mean of its divisors is an integer number (31242024).

Almost surely, 2^722208270 is an apocalyptic number.

722208270 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 722208270, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (999744768).

722208270 is an abundant number, since it is smaller than the sum of its proper divisors (1277281266).

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

722208270 is a wasteful number, since it uses less digits than its factorization.

722208270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32265.

The product of its (nonzero) digits is 6272, while the sum is 30.

The square root of 722208270 is about 26873.9329090478. The cubic root of 722208270 is about 897.1963244559.

The spelling of 722208270 in words is "seven hundred twenty-two million, two hundred eight thousand, two hundred seventy".