20221262 has 16 divisors (see below), whose sum is σ = 32289840. Its totient is φ = 9464448.

The previous prime is 20221261. The next prime is 20221273. The reversal of 20221262 is 26212202.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a self number, because there is not a number n which added to its sum of digits gives 20221262.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20221261) 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, 5189 + ... + 8207.

It is an arithmetic number, because the mean of its divisors is an integer number (2018115).

Almost surely, 2^20221262 is an apocalyptic number.

20221262 is a deficient number, since it is larger than the sum of its proper divisors (12068578).

20221262 is a wasteful number, since it uses less digits than its factorization.

20221262 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3235.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 20221262 is about 4496.8057552000. The cubic root of 20221262 is about 272.4390885936.

Adding to 20221262 its reverse (26212202), we get a palindrome (46433464).

It can be divided in two parts, 202 and 21262, that multiplied together give a palindrome (4294924).

The spelling of 20221262 in words is "twenty million, two hundred twenty-one thousand, two hundred sixty-two".