226405051651 has 4 divisors (see below), whose sum is σ = 226689124032. Its totient is φ = 226120979272.

The previous prime is 226405051643. The next prime is 226405051657. The reversal of 226405051651 is 156150504622.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 226405051651 - 2³ = 226405051643 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 226405051651.

It is not an unprimeable number, because it can be changed into a prime (226405051657) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 142034995 + ... + 142036588.

It is an arithmetic number, because the mean of its divisors is an integer number (56672281008).

Almost surely, 2^226405051651 is an apocalyptic number.

226405051651 is a deficient number, since it is larger than the sum of its proper divisors (284072381).

226405051651 is an equidigital number, since it uses as much as digits as its factorization.

226405051651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284072380.

The product of its (nonzero) digits is 72000, while the sum is 37.

The spelling of 226405051651 in words is "two hundred twenty-six billion, four hundred five million, fifty-one thousand, six hundred fifty-one".