20222377 has 8 divisors (see below), whose sum is σ = 23138496. Its totient is φ = 17313072.

The previous prime is 20222357. The next prime is 20222383. The reversal of 20222377 is 77322202.

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

It is not a de Polignac number, because 20222377 - 2⁷ = 20222249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20222357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10803 + ... + 12535.

It is an arithmetic number, because the mean of its divisors is an integer number (2892312).

Almost surely, 2^20222377 is an apocalyptic number.

It is an amenable number.

20222377 is a deficient number, since it is larger than the sum of its proper divisors (2916119).

20222377 is a wasteful number, since it uses less digits than its factorization.

20222377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3407.

The product of its (nonzero) digits is 2352, while the sum is 25.

The square root of 20222377 is about 4496.9297303827. The cubic root of 20222377 is about 272.4440959303. Note that the first 3 decimals are identical.

Adding to 20222377 its reverse (77322202), we get a palindrome (97544579).

The spelling of 20222377 in words is "twenty million, two hundred twenty-two thousand, three hundred seventy-seven".