9842022451 has 4 divisors (see below), whose sum is σ = 10051427232. Its totient is φ = 9632617672.

The previous prime is 9842022431. The next prime is 9842022469. The reversal of 9842022451 is 1542202489.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9842022451 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 9842022451.

It is not an unprimeable number, because it can be changed into a prime (9842022431) 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, 104702320 + ... + 104702413.

It is an arithmetic number, because the mean of its divisors is an integer number (2512856808).

Almost surely, 2^9842022451 is an apocalyptic number.

9842022451 is a deficient number, since it is larger than the sum of its proper divisors (209404781).

9842022451 is a wasteful number, since it uses less digits than its factorization.

9842022451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209404780.

The product of its (nonzero) digits is 46080, while the sum is 37.

The square root of 9842022451 is about 99206.9677542863. The cubic root of 9842022451 is about 2143.0293408060.

The spelling of 9842022451 in words is "nine billion, eight hundred forty-two million, twenty-two thousand, four hundred fifty-one".