226977819 has 8 divisors (see below), whose sum is σ = 318565440. Its totient is φ = 143354376.

The previous prime is 226977797. The next prime is 226977833. The reversal of 226977819 is 918779622.

226977819 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 226977819 - 2¹⁵ = 226945051 is a prime.

It is a super-2 number, since 2×226977819² = 103037860635993522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (226977419) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1990977 + ... + 1991090.

It is an arithmetic number, because the mean of its divisors is an integer number (39820680).

Almost surely, 2^226977819 is an apocalyptic number.

226977819 is a deficient number, since it is larger than the sum of its proper divisors (91587621).

226977819 is a wasteful number, since it uses less digits than its factorization.

226977819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3982089.

The product of its digits is 762048, while the sum is 51.

The square root of 226977819 is about 15065.7830529979. The cubic root of 226977819 is about 609.9971503943.

The spelling of 226977819 in words is "two hundred twenty-six million, nine hundred seventy-seven thousand, eight hundred nineteen".