228297533372 has 6 divisors (see below), whose sum is σ = 399520683408. Its totient is φ = 114148766684.

The previous prime is 228297533363. The next prime is 228297533393. The reversal of 228297533372 is 273335792822.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28537191668 + ... + 28537191675.

It is an arithmetic number, because the mean of its divisors is an integer number (66586780568).

Almost surely, 2^228297533372 is an apocalyptic number.

It is an amenable number.

228297533372 is a deficient number, since it is larger than the sum of its proper divisors (171223150036).

228297533372 is a wasteful number, since it uses less digits than its factorization.

228297533372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57074383347 (or 57074383345 counting only the distinct ones).

The product of its digits is 7620480, while the sum is 53.

The spelling of 228297533372 in words is "two hundred twenty-eight billion, two hundred ninety-seven million, five hundred thirty-three thousand, three hundred seventy-two".