722424212 has 24 divisors (see below), whose sum is σ = 1272724992. Its totient is φ = 358797600.

The previous prime is 722424211. The next prime is 722424221. The reversal of 722424212 is 212424227.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (722424211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 455573 + ... + 457155.

It is an arithmetic number, because the mean of its divisors is an integer number (53030208).

Almost surely, 2^722424212 is an apocalyptic number.

It is an amenable number.

722424212 is a deficient number, since it is larger than the sum of its proper divisors (550300780).

722424212 is a wasteful number, since it uses less digits than its factorization.

722424212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2279 (or 2277 counting only the distinct ones).

The product of its digits is 3584, while the sum is 26.

The square root of 722424212 is about 26877.9502938747. The cubic root of 722424212 is about 897.2857368273.

Adding to 722424212 its reverse (212424227), we get a palindrome (934848439).

The spelling of 722424212 in words is "seven hundred twenty-two million, four hundred twenty-four thousand, two hundred twelve".