400220130 has 16 divisors (see below), whose sum is σ = 960528384. Its totient is φ = 106725360.

The previous prime is 400220129. The next prime is 400220131. The reversal of 400220130 is 31022004.

It is an interprime number because it is at equal distance from previous prime (400220129) and next prime (400220131).

It is not an unprimeable number, because it can be changed into a prime (400220131) 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, 6670306 + ... + 6670365.

It is an arithmetic number, because the mean of its divisors is an integer number (60033024).

Almost surely, 2^400220130 is an apocalyptic number.

400220130 is an abundant number, since it is smaller than the sum of its proper divisors (560308254).

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

400220130 is a wasteful number, since it uses less digits than its factorization.

400220130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13340681.

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 400220130 is about 20005.5024930643. The cubic root of 400220130 is about 736.9414359171.

Adding to 400220130 its reverse (31022004), we get a palindrome (431242134).

The spelling of 400220130 in words is "four hundred million, two hundred twenty thousand, one hundred thirty".