2277220078 has 8 divisors (see below), whose sum is σ = 3903805872. Its totient is φ = 975951456.

The previous prime is 2277220069. The next prime is 2277220079. The reversal of 2277220078 is 8700227722.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2277220079) 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, 81329275 + ... + 81329302.

It is an arithmetic number, because the mean of its divisors is an integer number (487975734).

Almost surely, 2^2277220078 is an apocalyptic number.

2277220078 is a deficient number, since it is larger than the sum of its proper divisors (1626585794).

2277220078 is a wasteful number, since it uses less digits than its factorization.

2277220078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162658586.

The product of its (nonzero) digits is 43904, while the sum is 37.

The square root of 2277220078 is about 47720.2271369280. The cubic root of 2277220078 is about 1315.6337363747.

The spelling of 2277220078 in words is "two billion, two hundred seventy-seven million, two hundred twenty thousand, seventy-eight".