1945019022 has 8 divisors (see below), whose sum is σ = 3890038056. Its totient is φ = 648339672.

The previous prime is 1945018987. The next prime is 1945019023. The reversal of 1945019022 is 2209105491.

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

1945019022 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1945019023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 162084913 + ... + 162084924.

It is an arithmetic number, because the mean of its divisors is an integer number (486254757).

Almost surely, 2^1945019022 is an apocalyptic number.

1945019022 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1945019022 is a wasteful number, since it uses less digits than its factorization.

1945019022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324169842.

The product of its (nonzero) digits is 6480, while the sum is 33.

The square root of 1945019022 is about 44102.3698002726. The cubic root of 1945019022 is about 1248.2683268476.

The spelling of 1945019022 in words is "one billion, nine hundred forty-five million, nineteen thousand, twenty-two".