226521652378 has 16 divisors (see below), whose sum is σ = 388385403264. Its totient is φ = 97065065520.

The previous prime is 226521652327. The next prime is 226521652393. The reversal of 226521652378 is 873256125622.

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, 1213350 + ... + 1387537.

It is an arithmetic number, because the mean of its divisors is an integer number (24274087704).

Almost surely, 2^226521652378 is an apocalyptic number.

226521652378 is a deficient number, since it is larger than the sum of its proper divisors (161863750886).

226521652378 is a wasteful number, since it uses less digits than its factorization.

226521652378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2607117.

The product of its digits is 2419200, while the sum is 49.

The spelling of 226521652378 in words is "two hundred twenty-six billion, five hundred twenty-one million, six hundred fifty-two thousand, three hundred seventy-eight".