226210635638 has 16 divisors (see below), whose sum is σ = 366736387920. Its totient is φ = 104027992416.

The previous prime is 226210635619. The next prime is 226210635641. The reversal of 226210635638 is 836536012622.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15697508 + ... + 15711911.

It is an arithmetic number, because the mean of its divisors is an integer number (22921024245).

Almost surely, 2^226210635638 is an apocalyptic number.

226210635638 is a deficient number, since it is larger than the sum of its proper divisors (140525752282).

226210635638 is a wasteful number, since it uses less digits than its factorization.

226210635638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31409711.

The product of its (nonzero) digits is 622080, while the sum is 44.

The spelling of 226210635638 in words is "two hundred twenty-six billion, two hundred ten million, six hundred thirty-five thousand, six hundred thirty-eight".