220231401 has 8 divisors (see below), whose sum is σ = 316229760. Its totient is φ = 135526992.

The previous prime is 220231393. The next prime is 220231441. The reversal of 220231401 is 104132022.

220231401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 220231401 - 2³ = 220231393 is a prime.

It is a super-3 number, since 3×220231401³ (a number of 26 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (220231441) 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, 2823441 + ... + 2823518.

It is an arithmetic number, because the mean of its divisors is an integer number (39528720).

Almost surely, 2^220231401 is an apocalyptic number.

It is an amenable number.

220231401 is a deficient number, since it is larger than the sum of its proper divisors (95998359).

220231401 is a wasteful number, since it uses less digits than its factorization.

220231401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5646975.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 220231401 is about 14840.1954501954. The cubic root of 220231401 is about 603.8926546730.

Adding to 220231401 its reverse (104132022), we get a palindrome (324363423).

The spelling of 220231401 in words is "two hundred twenty million, two hundred thirty-one thousand, four hundred one".