240221197 has 4 divisors (see below), whose sum is σ = 243806656. Its totient is φ = 236635740.

The previous prime is 240221167. The next prime is 240221243. The reversal of 240221197 is 791122042.

240221197 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 240221197 - 2²³ = 231832589 is a prime.

It is a super-2 number, since 2×240221197² = 115412446976225618, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240221167) 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, 1792629 + ... + 1792762.

It is an arithmetic number, because the mean of its divisors is an integer number (60951664).

Almost surely, 2^240221197 is an apocalyptic number.

It is an amenable number.

240221197 is a deficient number, since it is larger than the sum of its proper divisors (3585459).

240221197 is an equidigital number, since it uses as much as digits as its factorization.

240221197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3585458.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 240221197 is about 15499.0708431183. The cubic root of 240221197 is about 621.6373621526.

The spelling of 240221197 in words is "two hundred forty million, two hundred twenty-one thousand, one hundred ninety-seven".