722435532 has 96 divisors (see below), whose sum is σ = 2141712384. Its totient is φ = 184377600.

The previous prime is 722435531. The next prime is 722435591. The reversal of 722435532 is 235534227.

It is a super-2 number, since 2×722435532² = 1043826195792246048, which contains 22 as substring.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 722435493 and 722435502.

It is not an unprimeable number, because it can be changed into a prime (722435531) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23182 + ... + 44522.

It is an arithmetic number, because the mean of its divisors is an integer number (22309504).

Almost surely, 2^722435532 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 722435532, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1070856192).

722435532 is an abundant number, since it is smaller than the sum of its proper divisors (1419276852).

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

722435532 is a wasteful number, since it uses less digits than its factorization.

722435532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21399 (or 21397 counting only the distinct ones).

The product of its digits is 50400, while the sum is 33.

The square root of 722435532 is about 26878.1608745837. The cubic root of 722435532 is about 897.2904234649.

Adding to 722435532 its reverse (235534227), we get a palindrome (957969759).

The spelling of 722435532 in words is "seven hundred twenty-two million, four hundred thirty-five thousand, five hundred thirty-two".