774222055 has 8 divisors (see below), whose sum is σ = 959036544. Its totient is φ = 599397600.

The previous prime is 774222049. The next prime is 774222079. The reversal of 774222055 is 550222477.

It is a happy number.

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

It is not a de Polignac number, because 774222055 - 2³ = 774222047 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 774222055.

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, 2497336 + ... + 2497645.

It is an arithmetic number, because the mean of its divisors is an integer number (119879568).

Almost surely, 2^774222055 is an apocalyptic number.

774222055 is a deficient number, since it is larger than the sum of its proper divisors (184814489).

774222055 is a wasteful number, since it uses less digits than its factorization.

774222055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4995017.

The product of its (nonzero) digits is 39200, while the sum is 34.

The square root of 774222055 is about 27824.8460013708. The cubic root of 774222055 is about 918.2378268630.

The spelling of 774222055 in words is "seven hundred seventy-four million, two hundred twenty-two thousand, fifty-five".