722040402 has 8 divisors (see below), whose sum is σ = 1444080816. Its totient is φ = 240680132.

The previous prime is 722040401. The next prime is 722040419. The reversal of 722040402 is 204040227.

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

722040402 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (722040401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60170028 + ... + 60170039.

It is an arithmetic number, because the mean of its divisors is an integer number (180510102).

Almost surely, 2^722040402 is an apocalyptic number.

722040402 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

722040402 is a wasteful number, since it uses less digits than its factorization.

722040402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120340072.

The product of its (nonzero) digits is 896, while the sum is 21.

The square root of 722040402 is about 26870.8094779446. The cubic root of 722040402 is about 897.1268051637.

Adding to 722040402 its reverse (204040227), we get a palindrome (926080629).

The spelling of 722040402 in words is "seven hundred twenty-two million, forty thousand, four hundred two".