22061748 has 24 divisors (see below), whose sum is σ = 52323040. Its totient is φ = 7233120.

The previous prime is 22061729. The next prime is 22061749. The reversal of 22061748 is 84716022.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22061749) 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, 14338 + ... + 15801.

Almost surely, 2^22061748 is an apocalyptic number.

It is an amenable number.

22061748 is an abundant number, since it is smaller than the sum of its proper divisors (30261292).

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

22061748 is a wasteful number, since it uses less digits than its factorization.

22061748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30207 (or 30205 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 22061748 is about 4696.9935064890. The cubic root of 22061748 is about 280.4658401912.

The spelling of 22061748 in words is "twenty-two million, sixty-one thousand, seven hundred forty-eight".