1947394022 has 32 divisors (see below), whose sum is σ = 3564933120. Its totient is φ = 779819040.

The previous prime is 1947393989. The next prime is 1947394067. The reversal of 1947394022 is 2204937491.

It is a congruent number.

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, 64778 + ... + 89949.

It is an arithmetic number, because the mean of its divisors is an integer number (111404160).

Almost surely, 2^1947394022 is an apocalyptic number.

1947394022 is a deficient number, since it is larger than the sum of its proper divisors (1617539098).

1947394022 is a wasteful number, since it uses less digits than its factorization.

1947394022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154796.

The product of its (nonzero) digits is 108864, while the sum is 41.

The square root of 1947394022 is about 44129.2875763931. The cubic root of 1947394022 is about 1248.7761935893.

The spelling of 1947394022 in words is "one billion, nine hundred forty-seven million, three hundred ninety-four thousand, twenty-two".