20222470 has 32 divisors (see below), whose sum is σ = 37635840. Its totient is φ = 7818720.

The previous prime is 20222459. The next prime is 20222473. The reversal of 20222470 is 7422202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20222473) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56151 + ... + 56509.

It is an arithmetic number, because the mean of its divisors is an integer number (1176120).

Almost surely, 2^20222470 is an apocalyptic number.

20222470 is a deficient number, since it is larger than the sum of its proper divisors (17413370).

20222470 is a wasteful number, since it uses less digits than its factorization.

20222470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 540.

The product of its (nonzero) digits is 448, while the sum is 19.

The square root of 20222470 is about 4496.9400707592. The cubic root of 20222470 is about 272.4445135743. Note that the first 3 decimals are identical.

Adding to 20222470 its reverse (7422202), we get a palindrome (27644672).

The spelling of 20222470 in words is "twenty million, two hundred twenty-two thousand, four hundred seventy".