1922302138 has 32 divisors (see below), whose sum is σ = 3037087872. Its totient is φ = 911635200.

The previous prime is 1922302117. The next prime is 1922302141. The reversal of 1922302138 is 8312032291.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 422745 + ... + 427267.

It is an arithmetic number, because the mean of its divisors is an integer number (94908996).

Almost surely, 2^1922302138 is an apocalyptic number.

1922302138 is a deficient number, since it is larger than the sum of its proper divisors (1114785734).

1922302138 is a wasteful number, since it uses less digits than its factorization.

1922302138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4710.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 1922302138 is about 43844.0661663582. The cubic root of 1922302138 is about 1243.3895593906.

The spelling of 1922302138 in words is "one billion, nine hundred twenty-two million, three hundred two thousand, one hundred thirty-eight".