722554141 has 4 divisors (see below), whose sum is σ = 736187292. Its totient is φ = 708920992.

The previous prime is 722554139. The next prime is 722554159. The reversal of 722554141 is 141455227.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 141455227 = 317 ⋅446231.

It can be written as a sum of positive squares in 2 ways, for example, as 325946916 + 396607225 = 18054^2 + 19915^2 .

It is a cyclic number.

It is not a de Polignac number, because 722554141 - 2¹ = 722554139 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (722552141) 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, 6816496 + ... + 6816601.

It is an arithmetic number, because the mean of its divisors is an integer number (184046823).

Almost surely, 2^722554141 is an apocalyptic number.

It is an amenable number.

722554141 is a deficient number, since it is larger than the sum of its proper divisors (13633151).

722554141 is a wasteful number, since it uses less digits than its factorization.

722554141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13633150.

The product of its digits is 11200, while the sum is 31.

The square root of 722554141 is about 26880.3672035930. The cubic root of 722554141 is about 897.3395262989.

The spelling of 722554141 in words is "seven hundred twenty-two million, five hundred fifty-four thousand, one hundred forty-one".