722141385 has 64 divisors (see below), whose sum is σ = 1408845312. Its totient is φ = 308330496.

The previous prime is 722141347. The next prime is 722141401. The reversal of 722141385 is 583141227.

It is not a de Polignac number, because 722141385 - 2⁷ = 722141257 is a prime.

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 63 ways as a sum of consecutive naturals, for example, 243069 + ... + 246021.

It is an arithmetic number, because the mean of its divisors is an integer number (22013208).

Almost surely, 2^722141385 is an apocalyptic number.

It is an amenable number.

722141385 is a deficient number, since it is larger than the sum of its proper divisors (686703927).

722141385 is a wasteful number, since it uses less digits than its factorization.

722141385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3122.

The product of its digits is 13440, while the sum is 33.

The square root of 722141385 is about 26872.6884587307. The cubic root of 722141385 is about 897.1686266152.

The spelling of 722141385 in words is "seven hundred twenty-two million, one hundred forty-one thousand, three hundred eighty-five".