16022641 has 4 divisors (see below), whose sum is σ = 16248384. Its totient is φ = 15796900.

The previous prime is 16022639. The next prime is 16022659. The reversal of 16022641 is 14622061.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 14622061 = 29 ⋅504209.

It is a cyclic number.

It is not a de Polignac number, because 16022641 - 2¹ = 16022639 is a prime.

It is a super-2 number, since 2×16022641² = 513450049229762, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16026641) 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, 112765 + ... + 112906.

It is an arithmetic number, because the mean of its divisors is an integer number (4062096).

Almost surely, 2^16022641 is an apocalyptic number.

It is an amenable number.

16022641 is a deficient number, since it is larger than the sum of its proper divisors (225743).

16022641 is an equidigital number, since it uses as much as digits as its factorization.

16022641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225742.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 16022641 is about 4002.8291245068. The cubic root of 16022641 is about 252.1030117613.

It can be divided in two parts, 160 and 22641, that added together give a square (22801 = 151²).

The spelling of 16022641 in words is "sixteen million, twenty-two thousand, six hundred forty-one".