354778222 has 16 divisors (see below), whose sum is σ = 560592000. Its totient is φ = 167928120.

The previous prime is 354778217. The next prime is 354778273. The reversal of 354778222 is 222877453.

354778222 is digitally balanced in base 3, 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 7 ways as a sum of consecutive naturals, for example, 67029 + ... + 72127.

It is an arithmetic number, because the mean of its divisors is an integer number (35037000).

Almost surely, 2^354778222 is an apocalyptic number.

354778222 is a deficient number, since it is larger than the sum of its proper divisors (205813778).

354778222 is a wasteful number, since it uses less digits than its factorization.

354778222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6951.

The product of its digits is 188160, while the sum is 40.

The square root of 354778222 is about 18835.5573849037. The cubic root of 354778222 is about 707.9223943261.

The spelling of 354778222 in words is "three hundred fifty-four million, seven hundred seventy-eight thousand, two hundred twenty-two".