22437961 has 16 divisors (see below), whose sum is σ = 27798400. Its totient is φ = 17740944.

The previous prime is 22437931. The next prime is 22437973. The reversal of 22437961 is 16973422.

It is not a de Polignac number, because 22437961 - 2¹¹ = 22435913 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22437911) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14650 + ... + 16108.

It is an arithmetic number, because the mean of its divisors is an integer number (1737400).

Almost surely, 2^22437961 is an apocalyptic number.

It is an amenable number.

22437961 is a deficient number, since it is larger than the sum of its proper divisors (5360439).

22437961 is an equidigital number, since it uses as much as digits as its factorization.

22437961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1505 (or 1479 counting only the distinct ones).

The product of its digits is 18144, while the sum is 34.

The square root of 22437961 is about 4736.8724914230. The cubic root of 22437961 is about 282.0510990010.

The spelling of 22437961 in words is "twenty-two million, four hundred thirty-seven thousand, nine hundred sixty-one".