722046001 has 2 divisors, whose sum is σ = 722046002. Its totient is φ = 722046000.

The previous prime is 722045921. The next prime is 722046011. The reversal of 722046001 is 100640227.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 670551025 + 51494976 = 25895^2 + 7176^2 .

It is an emirp because it is prime and its reverse (100640227) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 722046001 - 2⁷ = 722045873 is a prime.

It is not a weakly prime, because it can be changed into another prime (722046011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 361023000 + 361023001.

It is an arithmetic number, because the mean of its divisors is an integer number (361023001).

Almost surely, 2^722046001 is an apocalyptic number.

It is an amenable number.

722046001 is a deficient number, since it is larger than the sum of its proper divisors (1).

722046001 is an equidigital number, since it uses as much as digits as its factorization.

722046001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 722046001 is about 26870.9136614295. The cubic root of 722046001 is about 897.1291240552.

Adding to 722046001 its reverse (100640227), we get a palindrome (822686228).

The spelling of 722046001 in words is "seven hundred twenty-two million, forty-six thousand, one".