722150434 has 4 divisors (see below), whose sum is σ = 1083225654. Its totient is φ = 361075216.

The previous prime is 722150417. The next prime is 722150437. The reversal of 722150434 is 434051227.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 434051227 = 641 ⋅677147.

It can be written as a sum of positive squares in only one way, i.e., 677300625 + 44849809 = 26025^2 + 6697^2 .

It is not an unprimeable number, because it can be changed into a prime (722150437) by changing a digit.

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 as a sum of consecutive naturals, namely, 180537607 + ... + 180537610.

Almost surely, 2^722150434 is an apocalyptic number.

722150434 is a deficient number, since it is larger than the sum of its proper divisors (361075220).

722150434 is a wasteful number, since it uses less digits than its factorization.

722150434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361075219.

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 722150434 is about 26872.8568261731. The cubic root of 722150434 is about 897.1723740093.

The spelling of 722150434 in words is "seven hundred twenty-two million, one hundred fifty thousand, four hundred thirty-four".