722151541 has 8 divisors (see below), whose sum is σ = 745887744. Its totient is φ = 698442960.

The previous prime is 722151511. The next prime is 722151581. The reversal of 722151541 is 145151227.

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

It is a cyclic number.

It is not a de Polignac number, because 722151541 - 2⁷ = 722151413 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 (722151511) 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, 55260 + ... + 67066.

It is an arithmetic number, because the mean of its divisors is an integer number (93235968).

Almost surely, 2^722151541 is an apocalyptic number.

It is an amenable number.

722151541 is a deficient number, since it is larger than the sum of its proper divisors (23736203).

722151541 is a wasteful number, since it uses less digits than its factorization.

722151541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13811.

The product of its digits is 2800, while the sum is 28.

The square root of 722151541 is about 26872.8774231566. The cubic root of 722151541 is about 897.1728324407.

The spelling of 722151541 in words is "seven hundred twenty-two million, one hundred fifty-one thousand, five hundred forty-one".