16227492 has 12 divisors (see below), whose sum is σ = 37864176. Its totient is φ = 5409160.

The previous prime is 16227479. The next prime is 16227493. The reversal of 16227492 is 29472261.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×16227492² = 526662993220128, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (16227493) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 676134 + ... + 676157.

It is an arithmetic number, because the mean of its divisors is an integer number (3155348).

Almost surely, 2^16227492 is an apocalyptic number.

16227492 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16227492 is an abundant number, since it is smaller than the sum of its proper divisors (21636684).

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

16227492 is a wasteful number, since it uses less digits than its factorization.

16227492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1352298 (or 1352296 counting only the distinct ones).

The product of its digits is 12096, while the sum is 33.

The square root of 16227492 is about 4028.3361329462. The cubic root of 16227492 is about 253.1728523462.

The spelling of 16227492 in words is "sixteen million, two hundred twenty-seven thousand, four hundred ninety-two".