226104352638 has 8 divisors (see below), whose sum is σ = 452208705288. Its totient is φ = 75368117544.

The previous prime is 226104352619. The next prime is 226104352681. The reversal of 226104352638 is 836253401622.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

226104352638 is an admirable number.

It is a super-2 number, since 2×226104352638² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 226104352638.

It is a congruent number.

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, 18842029381 + ... + 18842029392.

It is an arithmetic number, because the mean of its divisors is an integer number (56526088161).

Almost surely, 2^226104352638 is an apocalyptic number.

226104352638 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

226104352638 is a wasteful number, since it uses less digits than its factorization.

226104352638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37684058778.

The product of its (nonzero) digits is 414720, while the sum is 42.

The spelling of 226104352638 in words is "two hundred twenty-six billion, one hundred four million, three hundred fifty-two thousand, six hundred thirty-eight".