1401220330 has 8 divisors (see below), whose sum is σ = 2522196612. Its totient is φ = 560488128.

The previous prime is 1401220321. The next prime is 1401220333. The reversal of 1401220330 is 330221041.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1312540441 + 88679889 = 36229^2 + 9417^2 .

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

It is not an unprimeable number, because it can be changed into a prime (1401220333) 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, 70061007 + ... + 70061026.

Almost surely, 2^1401220330 is an apocalyptic number.

1401220330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1401220330 is a deficient number, since it is larger than the sum of its proper divisors (1120976282).

1401220330 is a wasteful number, since it uses less digits than its factorization.

1401220330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140122040.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 1401220330 is about 37432.8776612218. The cubic root of 1401220330 is about 1119.0138880843.

Adding to 1401220330 its reverse (330221041), we get a palindrome (1731441371).

The spelling of 1401220330 in words is "one billion, four hundred one million, two hundred twenty thousand, three hundred thirty".