227987221552 has 20 divisors (see below), whose sum is σ = 447776274760. Its totient is φ = 112432053888.

The previous prime is 227987221537. The next prime is 227987221559. The reversal of 227987221552 is 255122789722.

It is a self number, because there is not a number n which added to its sum of digits gives 227987221552.

It is not an unprimeable number, because it can be changed into a prime (227987221559) 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, 97596102 + ... + 97598437.

It is an arithmetic number, because the mean of its divisors is an integer number (22388813738).

Almost surely, 2^227987221552 is an apocalyptic number.

It is an amenable number.

227987221552 is a deficient number, since it is larger than the sum of its proper divisors (219789053208).

227987221552 is a wasteful number, since it uses less digits than its factorization.

227987221552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195194620 (or 195194614 counting only the distinct ones).

The product of its digits is 2822400, while the sum is 52.

The spelling of 227987221552 in words is "two hundred twenty-seven billion, nine hundred eighty-seven million, two hundred twenty-one thousand, five hundred fifty-two".