1922022147 has 8 divisors (see below), whose sum is σ = 2572441344. Its totient is φ = 1276475528.

The previous prime is 1922022143. The next prime is 1922022199. The reversal of 1922022147 is 7412202291.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1922022147 - 2² = 1922022143 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1922022143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1217223 + ... + 1218800.

It is an arithmetic number, because the mean of its divisors is an integer number (321555168).

Almost surely, 2^1922022147 is an apocalyptic number.

1922022147 is a deficient number, since it is larger than the sum of its proper divisors (650419197).

1922022147 is a wasteful number, since it uses less digits than its factorization.

1922022147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2436289.

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 1922022147 is about 43840.8730182235. The cubic root of 1922022147 is about 1243.3291882375.

The spelling of 1922022147 in words is "one billion, nine hundred twenty-two million, twenty-two thousand, one hundred forty-seven".