2221692 has 24 divisors (see below), whose sum is σ = 5655552. Its totient is φ = 673200.

The previous prime is 2221673. The next prime is 2221699. The reversal of 2221692 is 2961222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221699) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8284 + ... + 8547.

It is an arithmetic number, because the mean of its divisors is an integer number (235648).

2^2221692 is an apocalyptic number.

2221692 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2221692 is an abundant number, since it is smaller than the sum of its proper divisors (3433860).

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

2221692 is a wasteful number, since it uses less digits than its factorization.

2221692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16849 (or 16847 counting only the distinct ones).

The product of its digits is 864, while the sum is 24.

The square root of 2221692 is about 1490.5341324505. The cubic root of 2221692 is about 130.4852084643.

The spelling of 2221692 in words is "two million, two hundred twenty-one thousand, six hundred ninety-two".