1955559822 has 16 divisors (see below), whose sum is σ = 3933729360. Its totient is φ = 648084992.

The previous prime is 1955559817. The next prime is 1955559833. The reversal of 1955559822 is 2289555591.

It is a congruent number.

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, 940947 + ... + 943022.

It is an arithmetic number, because the mean of its divisors is an integer number (245858085).

Almost surely, 2^1955559822 is an apocalyptic number.

1955559822 is an abundant number, since it is smaller than the sum of its proper divisors (1978169538).

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

1955559822 is a wasteful number, since it uses less digits than its factorization.

1955559822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1884147.

The product of its digits is 1620000, while the sum is 51.

The square root of 1955559822 is about 44221.7121106816. The cubic root of 1955559822 is about 1250.5192129978.

The spelling of 1955559822 in words is "one billion, nine hundred fifty-five million, five hundred fifty-nine thousand, eight hundred twenty-two".