722434014044221 has 4 divisors (see below), whose sum is σ = 722588943067552. Its totient is φ = 722279085020892.

The previous prime is 722434014044209. The next prime is 722434014044231. The reversal of 722434014044221 is 122440410434227.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 722434014044221 - 2¹³ = 722434014036029 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 (722434014044201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77464504671 + ... + 77464513996.

It is an arithmetic number, because the mean of its divisors is an integer number (180647235766888).

Almost surely, 2^{722434014044221} is an apocalyptic number.

It is an amenable number.

722434014044221 is a deficient number, since it is larger than the sum of its proper divisors (154929023331).

722434014044221 is a wasteful number, since it uses less digits than its factorization.

722434014044221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154929023330.

The product of its (nonzero) digits is 344064, while the sum is 40.

Adding to 722434014044221 its reverse (122440410434227), we get a palindrome (844874424478448).

The spelling of 722434014044221 in words is "seven hundred twenty-two trillion, four hundred thirty-four billion, fourteen million, forty-four thousand, two hundred twenty-one".