1662226040 has 16 divisors (see below), whose sum is σ = 3740008680. Its totient is φ = 664890400.

The previous prime is 1662226021. The next prime is 1662226043. The reversal of 1662226040 is 406222661.

It is a junction number, because it is equal to n+sod(n) for n = 1662225994 and 1662226012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1662226043) 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, 20777786 + ... + 20777865.

Almost surely, 2^1662226040 is an apocalyptic number.

1662226040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1662226040 is an abundant number, since it is smaller than the sum of its proper divisors (2077782640).

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

1662226040 is a wasteful number, since it uses less digits than its factorization.

1662226040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41555662 (or 41555658 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 1662226040 is about 40770.4064242681. The cubic root of 1662226040 is about 1184.5771759065.

The spelling of 1662226040 in words is "one billion, six hundred sixty-two million, two hundred twenty-six thousand, forty".