1994541522 has 16 divisors (see below), whose sum is σ = 4054478592. Its totient is φ = 653947920.

The previous prime is 1994541517. The next prime is 1994541533. The reversal of 1994541522 is 2251454991.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2724418 + ... + 2725149.

It is an arithmetic number, because the mean of its divisors is an integer number (253404912).

Almost surely, 2^1994541522 is an apocalyptic number.

1994541522 is an abundant number, since it is smaller than the sum of its proper divisors (2059937070).

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

1994541522 is a wasteful number, since it uses less digits than its factorization.

1994541522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5449633.

The product of its digits is 129600, while the sum is 42.

The square root of 1994541522 is about 44660.2902140145. The cubic root of 1994541522 is about 1258.7737969965.

The spelling of 1994541522 in words is "one billion, nine hundred ninety-four million, five hundred forty-one thousand, five hundred twenty-two".