22350620 has 24 divisors (see below), whose sum is σ = 47056464. Its totient is φ = 8917376.

The previous prime is 22350613. The next prime is 22350649. The reversal of 22350620 is 2605322.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 22350592 and 22350601.

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 7 ways as a sum of consecutive naturals, for example, 8144 + ... + 10536.

It is an arithmetic number, because the mean of its divisors is an integer number (1960686).

Almost surely, 2^22350620 is an apocalyptic number.

22350620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22350620 is an abundant number, since it is smaller than the sum of its proper divisors (24705844).

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

22350620 is a wasteful number, since it uses less digits than its factorization.

22350620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2869 (or 2867 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 22350620 is about 4727.6442336538. The cubic root of 22350620 is about 281.6846566399.

Adding to 22350620 its reverse (2605322), we get a palindrome (24955942).

The spelling of 22350620 in words is "twenty-two million, three hundred fifty thousand, six hundred twenty".