722145462 has 32 divisors (see below), whose sum is σ = 1453603968. Its totient is φ = 239169216.

The previous prime is 722145451. The next prime is 722145481. The reversal of 722145462 is 264541227.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1056973 + ... + 1057655.

It is an arithmetic number, because the mean of its divisors is an integer number (45425124).

Almost surely, 2^722145462 is an apocalyptic number.

722145462 is an abundant number, since it is smaller than the sum of its proper divisors (731458506).

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

722145462 is a wasteful number, since it uses less digits than its factorization.

722145462 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1564.

The product of its digits is 26880, while the sum is 33.

The square root of 722145462 is about 26872.7643163110. The cubic root of 722145462 is about 897.1703149963.

Adding to 722145462 its reverse (264541227), we get a palindrome (986686689).

The spelling of 722145462 in words is "seven hundred twenty-two million, one hundred forty-five thousand, four hundred sixty-two".