22261098 has 16 divisors (see below), whose sum is σ = 45059616. Its totient is φ = 7330800.

The previous prime is 22261093. The next prime is 22261111. The reversal of 22261098 is 89016222.

It is not an unprimeable number, because it can be changed into a prime (22261093) 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, 21853 + ... + 22848.

It is an arithmetic number, because the mean of its divisors is an integer number (2816226).

Almost surely, 2^22261098 is an apocalyptic number.

22261098 is an abundant number, since it is smaller than the sum of its proper divisors (22798518).

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

22261098 is a wasteful number, since it uses less digits than its factorization.

22261098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44789.

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 22261098 is about 4718.1668050208. The cubic root of 22261098 is about 281.3080717618.

Adding to 22261098 its sum of digits (30), we get a triangular number (22261128 = T₆₆₇₂).

The spelling of 22261098 in words is "twenty-two million, two hundred sixty-one thousand, ninety-eight".