227215547242 has 64 divisors (see below), whose sum is σ = 381537091584. Its totient is φ = 100973617920.

The previous prime is 227215547227. The next prime is 227215547249. The reversal of 227215547242 is 242745512722.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is not an unprimeable number, because it can be changed into a prime (227215547249) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 71743143 + ... + 71746309.

It is an arithmetic number, because the mean of its divisors is an integer number (5961517056).

Almost surely, 2^227215547242 is an apocalyptic number.

227215547242 is a deficient number, since it is larger than the sum of its proper divisors (154321544342).

227215547242 is a wasteful number, since it uses less digits than its factorization.

227215547242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4843.

The product of its digits is 627200, while the sum is 43.

The spelling of 227215547242 in words is "two hundred twenty-seven billion, two hundred fifteen million, five hundred forty-seven thousand, two hundred forty-two".