226863740397 has 48 divisors (see below), whose sum is σ = 371251123200. Its totient is φ = 122527853280.

The previous prime is 226863740387. The next prime is 226863740423. The reversal of 226863740397 is 793047368622.

It is not a de Polignac number, because 226863740397 - 2⁴ = 226863740381 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (226863740387) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1109554 + ... + 1298012.

It is an arithmetic number, because the mean of its divisors is an integer number (7734398400).

Almost surely, 2^226863740397 is an apocalyptic number.

It is an amenable number.

226863740397 is a deficient number, since it is larger than the sum of its proper divisors (144387382803).

226863740397 is a wasteful number, since it uses less digits than its factorization.

226863740397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188926 (or 188919 counting only the distinct ones).

The product of its (nonzero) digits is 18289152, while the sum is 57.

The spelling of 226863740397 in words is "two hundred twenty-six billion, eight hundred sixty-three million, seven hundred forty thousand, three hundred ninety-seven".