1662223544 has 16 divisors (see below), whose sum is σ = 3123024120. Its totient is φ = 829417120.

The previous prime is 1662223543. The next prime is 1662223621. The reversal of 1662223544 is 4453222661.

It is a super-2 number, since 2×1662223544² = 5525974220455839872, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1662223543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 207659 + ... + 215514.

Almost surely, 2^1662223544 is an apocalyptic number.

It is an amenable number.

1662223544 is a deficient number, since it is larger than the sum of its proper divisors (1460800576).

1662223544 is a wasteful number, since it uses less digits than its factorization.

1662223544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423670 (or 423666 counting only the distinct ones).

The product of its digits is 69120, while the sum is 35.

The square root of 1662223544 is about 40770.3758138185. The cubic root of 1662223544 is about 1184.5765829855.

The spelling of 1662223544 in words is "one billion, six hundred sixty-two million, two hundred twenty-three thousand, five hundred forty-four".