20222652 has 12 divisors (see below), whose sum is σ = 47186216. Its totient is φ = 6740880.

The previous prime is 20222621. The next prime is 20222689. The reversal of 20222652 is 25622202.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 842599 + ... + 842622.

Almost surely, 2^20222652 is an apocalyptic number.

It is an amenable number.

20222652 is an abundant number, since it is smaller than the sum of its proper divisors (26963564).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20222652 is a wasteful number, since it uses less digits than its factorization.

20222652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1685228 (or 1685226 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 20222652 is about 4496.9603066961. The cubic root of 20222652 is about 272.4453308953.

Adding to 20222652 its reverse (25622202), we get a palindrome (45844854).

The spelling of 20222652 in words is "twenty million, two hundred twenty-two thousand, six hundred fifty-two".