16226940 has 48 divisors (see below), whose sum is σ = 45672480. Its totient is φ = 4304640.

The previous prime is 16226927. The next prime is 16227011. The reversal of 16226940 is 4962261.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 16226898 and 16226907.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13150 + ... + 14330.

It is an arithmetic number, because the mean of its divisors is an integer number (951510).

Almost surely, 2^16226940 is an apocalyptic number.

16226940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16226940 is an abundant number, since it is smaller than the sum of its proper divisors (29445540).

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

16226940 is a wasteful number, since it uses less digits than its factorization.

16226940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1422 (or 1420 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 16226940 is about 4028.2676177235. The cubic root of 16226940 is about 253.1699816418.

The spelling of 16226940 in words is "sixteen million, two hundred twenty-six thousand, nine hundred forty".