1630725022 has 8 divisors (see below), whose sum is σ = 2446261056. Its totient is φ = 815304672.

The previous prime is 1630725007. The next prime is 1630725029. The reversal of 1630725022 is 2205270361.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1630725029) 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, 31923 + ... + 65425.

It is an arithmetic number, because the mean of its divisors is an integer number (305782632).

Almost surely, 2^1630725022 is an apocalyptic number.

1630725022 is a deficient number, since it is larger than the sum of its proper divisors (815536034).

1630725022 is a wasteful number, since it uses less digits than its factorization.

1630725022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57842.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 1630725022 is about 40382.2364660503. The cubic root of 1630725022 is about 1177.0463864305.

Adding to 1630725022 its reverse (2205270361), we get a palindrome (3835995383).

The spelling of 1630725022 in words is "one billion, six hundred thirty million, seven hundred twenty-five thousand, twenty-two".