228664201246436 has 12 divisors (see below), whose sum is σ = 400163901523260. Its totient is φ = 114331657954080.

The previous prime is 228664201246381. The next prime is 228664201246471. The reversal of 228664201246436 is 634642102466822.

It can be written as a sum of positive squares in 2 ways, for example, as 19870197760000 + 208794003486436 = 4457600^2 + 14449706^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 109503671 + ... + 111572318.

It is an arithmetic number, because the mean of its divisors is an integer number (33346991793605).

Almost surely, 2^{228664201246436} is an apocalyptic number.

It is an amenable number.

228664201246436 is a deficient number, since it is larger than the sum of its proper divisors (171499700276824).

228664201246436 is a wasteful number, since it uses less digits than its factorization.

228664201246436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221334574 (or 221334572 counting only the distinct ones).

The product of its (nonzero) digits is 31850496, while the sum is 56.

The spelling of 228664201246436 in words is "two hundred twenty-eight trillion, six hundred sixty-four billion, two hundred one million, two hundred forty-six thousand, four hundred thirty-six".