22361958 has 24 divisors (see below), whose sum is σ = 50122800. Its totient is φ = 7196784.

The previous prime is 22361951. The next prime is 22361971. The reversal of 22361958 is 85916322.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22361951) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20898 + ... + 21941.

It is an arithmetic number, because the mean of its divisors is an integer number (2088450).

Almost surely, 2^22361958 is an apocalyptic number.

22361958 is an abundant number, since it is smaller than the sum of its proper divisors (27760842).

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

22361958 is a wasteful number, since it uses less digits than its factorization.

22361958 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42876 (or 42873 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 22361958 is about 4728.8431989230. The cubic root of 22361958 is about 281.7322794911.

The spelling of 22361958 in words is "twenty-two million, three hundred sixty-one thousand, nine hundred fifty-eight".