2231242154 has 8 divisors (see below), whose sum is σ = 3437319108. Its totient is φ = 1085469120.

The previous prime is 2231242151. The next prime is 2231242159. The reversal of 2231242154 is 4512421322.

2231242154 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 2197078129 + 34164025 = 46873^2 + 5845^2 .

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

It is a super-3 number, since 3×2231242154³ (a number of 29 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (2231242151) 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, 15075887 + ... + 15076034.

Almost surely, 2^2231242154 is an apocalyptic number.

2231242154 is a deficient number, since it is larger than the sum of its proper divisors (1206076954).

2231242154 is a wasteful number, since it uses less digits than its factorization.

2231242154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30151960.

The product of its digits is 3840, while the sum is 26.

The square root of 2231242154 is about 47236.0260182840. The cubic root of 2231242154 is about 1306.7190888861.

Adding to 2231242154 its reverse (4512421322), we get a palindrome (6743663476).

The spelling of 2231242154 in words is "two billion, two hundred thirty-one million, two hundred forty-two thousand, one hundred fifty-four".