378884722 has 4 divisors (see below), whose sum is σ = 568327086. Its totient is φ = 189442360.

The previous prime is 378884717. The next prime is 378884741. The reversal of 378884722 is 227488873.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 227488873 = 1973 ⋅115301.

It can be written as a sum of positive squares in only one way, i.e., 295874401 + 83010321 = 17201^2 + 9111^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 94721179 + ... + 94721182.

Almost surely, 2^378884722 is an apocalyptic number.

378884722 is a deficient number, since it is larger than the sum of its proper divisors (189442364).

378884722 is a wasteful number, since it uses less digits than its factorization.

378884722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189442363.

The product of its digits is 1204224, while the sum is 49.

The square root of 378884722 is about 19464.9613922042. The cubic root of 378884722 is about 723.6063418096.

The spelling of 378884722 in words is "three hundred seventy-eight million, eight hundred eighty-four thousand, seven hundred twenty-two".