2778019622 has 12 divisors (see below), whose sum is σ = 4847360940. Its totient is φ = 1190579796.

The previous prime is 2778019619. The next prime is 2778019637. The reversal of 2778019622 is 2269108772.

2778019622 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14173472 + ... + 14173667.

It is an arithmetic number, because the mean of its divisors is an integer number (403946745).

Almost surely, 2^2778019622 is an apocalyptic number.

2778019622 is a deficient number, since it is larger than the sum of its proper divisors (2069341318).

2778019622 is a wasteful number, since it uses less digits than its factorization.

2778019622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28347155 (or 28347148 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 44.

The square root of 2778019622 is about 52706.9219552802. The cubic root of 2778019622 is about 1405.7619035157.

The spelling of 2778019622 in words is "two billion, seven hundred seventy-eight million, nineteen thousand, six hundred twenty-two".