725224022 has 8 divisors (see below), whose sum is σ = 1095776856. Its totient is φ = 359965072.

The previous prime is 725223997. The next prime is 725224043. The reversal of 725224022 is 220422527.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 725223982 and 725224000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1323128 + ... + 1323675.

It is an arithmetic number, because the mean of its divisors is an integer number (136972107).

Almost surely, 2^725224022 is an apocalyptic number.

725224022 is a deficient number, since it is larger than the sum of its proper divisors (370552834).

725224022 is a wasteful number, since it uses less digits than its factorization.

725224022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2646942.

The product of its (nonzero) digits is 4480, while the sum is 26.

The square root of 725224022 is about 26929.9836984726. The cubic root of 725224022 is about 898.4434089453.

Adding to 725224022 its reverse (220422527), we get a palindrome (945646549).

The spelling of 725224022 in words is "seven hundred twenty-five million, two hundred twenty-four thousand, twenty-two".