20222222819 has 8 divisors (see below), whose sum is σ = 20376687408. Its totient is φ = 20068083360.

The previous prime is 20222222809. The next prime is 20222222849. The reversal of 20222222819 is 91822222202.

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

It is a cyclic number.

It is not a de Polignac number, because 20222222819 - 2⁸ = 20222222563 is a prime.

It is a super-2 number, since 2×20222222819² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20222222809) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44324 + ... + 205934.

It is an arithmetic number, because the mean of its divisors is an integer number (2547085926).

Almost surely, 2^20222222819 is an apocalyptic number.

20222222819 is a deficient number, since it is larger than the sum of its proper divisors (154464589).

20222222819 is a wasteful number, since it uses less digits than its factorization.

20222222819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162565.

The product of its (nonzero) digits is 9216, while the sum is 32.

The spelling of 20222222819 in words is "twenty billion, two hundred twenty-two million, two hundred twenty-two thousand, eight hundred nineteen".