22622020 has 48 divisors (see below), whose sum is σ = 48988800. Its totient is φ = 8771840.

The previous prime is 22622009. The next prime is 22622023. The reversal of 22622020 is 2022622.

It is a junction number, because it is equal to n+sod(n) for n = 22621985 and 22622003.

It is not an unprimeable number, because it can be changed into a prime (22622023) 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, 126291 + ... + 126469.

It is an arithmetic number, because the mean of its divisors is an integer number (1020600).

Almost surely, 2^22622020 is an apocalyptic number.

22622020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22622020 is an abundant number, since it is smaller than the sum of its proper divisors (26366780).

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

22622020 is a wasteful number, since it uses less digits than its factorization.

22622020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348 (or 346 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 22622020 is about 4756.2611366492. The cubic root of 22622020 is about 282.8202231950.

Adding to 22622020 its reverse (2022622), we get a palindrome (24644642).

The spelling of 22622020 in words is "twenty-two million, six hundred twenty-two thousand, twenty".