22073420 has 24 divisors (see below), whose sum is σ = 46769184. Its totient is φ = 8750336.

The previous prime is 22073419. The next prime is 22073453. The reversal of 22073420 is 2437022.

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 = 22073392 and 22073401.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2624 + ... + 7143.

It is an arithmetic number, because the mean of its divisors is an integer number (1948716).

Almost surely, 2^22073420 is an apocalyptic number.

22073420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22073420 is an abundant number, since it is smaller than the sum of its proper divisors (24695764).

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

22073420 is a wasteful number, since it uses less digits than its factorization.

22073420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9889 (or 9887 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 20.

The square root of 22073420 is about 4698.2358391209. The cubic root of 22073420 is about 280.5152926060.

The spelling of 22073420 in words is "twenty-two million, seventy-three thousand, four hundred twenty".