42547226 has 16 divisors (see below), whose sum is σ = 67962240. Its totient is φ = 19907520.

The previous prime is 42547223. The next prime is 42547231. The reversal of 42547226 is 62274524.

It is a junction number, because it is equal to n+sod(n) for n = 42547192 and 42547201.

It is not an unprimeable number, because it can be changed into a prime (42547223) 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, 2591 + ... + 9581.

It is an arithmetic number, because the mean of its divisors is an integer number (4247640).

Almost surely, 2^42547226 is an apocalyptic number.

42547226 is a deficient number, since it is larger than the sum of its proper divisors (25415014).

42547226 is a wasteful number, since it uses less digits than its factorization.

42547226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7189.

The product of its digits is 26880, while the sum is 32.

The square root of 42547226 is about 6522.8234684069. The cubic root of 42547226 is about 349.1058154302.

The spelling of 42547226 in words is "forty-two million, five hundred forty-seven thousand, two hundred twenty-six".