224727442 has 16 divisors (see below), whose sum is σ = 339393240. Its totient is φ = 111599488.

The previous prime is 224727413. The next prime is 224727469. The reversal of 224727442 is 244727422.

It can be written as a sum of positive squares in 4 ways, for example, as 151265401 + 73462041 = 12299^2 + 8571^2 .

It is a junction number, because it is equal to n+sod(n) for n = 224727398 and 224727407.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 331608 + ... + 332284.

Almost surely, 2^224727442 is an apocalyptic number.

224727442 is a deficient number, since it is larger than the sum of its proper divisors (114665798).

224727442 is a wasteful number, since it uses less digits than its factorization.

224727442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1565.

The product of its digits is 50176, while the sum is 34.

The square root of 224727442 is about 14990.9119802632. The cubic root of 224727442 is about 607.9745073135.

It can be divided in two parts, 22472 and 7442, that multiplied together give a square (167236624 = 12932²).

The spelling of 224727442 in words is "two hundred twenty-four million, seven hundred twenty-seven thousand, four hundred forty-two".