922349378 has 4 divisors (see below), whose sum is σ = 1383524070. Its totient is φ = 461174688.

The previous prime is 922349371. The next prime is 922349383. The reversal of 922349378 is 873943229.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 873943229 = 191 ⋅4575619.

It can be written as a sum of positive squares in only one way, i.e., 920940409 + 1408969 = 30347^2 + 1187^2 .

It is not an unprimeable number, because it can be changed into a prime (922349371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 230587343 + ... + 230587346.

Almost surely, 2^922349378 is an apocalyptic number.

922349378 is a deficient number, since it is larger than the sum of its proper divisors (461174692).

922349378 is a wasteful number, since it uses less digits than its factorization.

922349378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 461174691.

The product of its digits is 653184, while the sum is 47.

The square root of 922349378 is about 30370.2054322983. The cubic root of 922349378 is about 973.4160133629.

The spelling of 922349378 in words is "nine hundred twenty-two million, three hundred forty-nine thousand, three hundred seventy-eight".