16226938 has 48 divisors (see below), whose sum is σ = 31256064. Its totient is φ = 6259680.

The previous prime is 16226927. The next prime is 16227011. The reversal of 16226938 is 83962261.

It is a junction number, because it is equal to n+sod(n) for n = 16226897 and 16226906.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 59743 + ... + 60013.

It is an arithmetic number, because the mean of its divisors is an integer number (651168).

Almost surely, 2^16226938 is an apocalyptic number.

16226938 is the 2548-th heptagonal number.

16226938 is a deficient number, since it is larger than the sum of its proper divisors (15029126).

16226938 is a wasteful number, since it uses less digits than its factorization.

16226938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347 (or 340 counting only the distinct ones).

The product of its digits is 31104, while the sum is 37.

The square root of 16226938 is about 4028.2673694779. The cubic root of 16226938 is about 253.1699712406.

It can be divided in two parts, 1622693 and 8, that added together give a triangular number (1622701 = T₁₈₀₁).

The spelling of 16226938 in words is "sixteen million, two hundred twenty-six thousand, nine hundred thirty-eight".