226038018977 has 4 divisors (see below), whose sum is σ = 226039485120. Its totient is φ = 226036552836.

The previous prime is 226038018971. The next prime is 226038019027. The reversal of 226038018977 is 779810830622.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 779810830622 = 2 ⋅389905415311.

It is a cyclic number.

It is not a de Polignac number, because 226038018977 - 2⁴ = 226038018961 is a prime.

It is a super-2 number, since 2×226038018977² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (226038018971) 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, 470453 + ... + 820610.

It is an arithmetic number, because the mean of its divisors is an integer number (56509871280).

Almost surely, 2^226038018977 is an apocalyptic number.

It is an amenable number.

226038018977 is a deficient number, since it is larger than the sum of its proper divisors (1466143).

226038018977 is a wasteful number, since it uses less digits than its factorization.

226038018977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1466142.

The product of its (nonzero) digits is 2032128, while the sum is 53.

The spelling of 226038018977 in words is "two hundred twenty-six billion, thirty-eight million, eighteen thousand, nine hundred seventy-seven".