224742151 has 4 divisors (see below), whose sum is σ = 228551400. Its totient is φ = 220932904.

The previous prime is 224742139. The next prime is 224742169. The reversal of 224742151 is 151247422.

224742151 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 an emirpimes, since its reverse is a distinct semiprime: 151247422 = 2 ⋅75623711.

It is a cyclic number.

It is not a de Polignac number, because 224742151 - 2²¹ = 222644999 is a prime.

It is a super-2 number, since 2×224742151² = 101018068872213602, 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 (224748151) 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, 1904536 + ... + 1904653.

It is an arithmetic number, because the mean of its divisors is an integer number (57137850).

Almost surely, 2^224742151 is an apocalyptic number.

224742151 is a deficient number, since it is larger than the sum of its proper divisors (3809249).

224742151 is an equidigital number, since it uses as much as digits as its factorization.

224742151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3809248.

The product of its digits is 4480, while the sum is 28.

The square root of 224742151 is about 14991.4025694729. The cubic root of 224742151 is about 607.9877715324.

Adding to 224742151 its reverse (151247422), we get a palindrome (375989573).

The spelling of 224742151 in words is "two hundred twenty-four million, seven hundred forty-two thousand, one hundred fifty-one".