20254222 has 8 divisors (see below), whose sum is σ = 31361472. Its totient is φ = 9800400.

The previous prime is 20254219. The next prime is 20254243. The reversal of 20254222 is 22245202.

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

It is a self number, because there is not a number n which added to its sum of digits gives 20254222.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 163279 + ... + 163402.

It is an arithmetic number, because the mean of its divisors is an integer number (3920184).

Almost surely, 2^20254222 is an apocalyptic number.

20254222 is a deficient number, since it is larger than the sum of its proper divisors (11107250).

20254222 is a wasteful number, since it uses less digits than its factorization.

20254222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 326714.

The product of its (nonzero) digits is 640, while the sum is 19.

The square root of 20254222 is about 4500.4690866620. The cubic root of 20254222 is about 272.5870305298.

Adding to 20254222 its reverse (22245202), we get a palindrome (42499424).

The spelling of 20254222 in words is "twenty million, two hundred fifty-four thousand, two hundred twenty-two".