22698100 has 36 divisors (see below), whose sum is σ = 50075788. Its totient is φ = 8930400.

The previous prime is 22698089. The next prime is 22698101. The reversal of 22698100 is 189622.

It is a happy number.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 6 ways, for example, as 22316176 + 381924 = 4724^2 + 618^2 .

It is a super-2 number, since 2×22698100² = 1030407487220000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22698101) 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, 372070 + ... + 372130.

Almost surely, 2^22698100 is an apocalyptic number.

22698100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22698100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25037894).

22698100 is an abundant number, since it is smaller than the sum of its proper divisors (27377688).

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

22698100 is an frugal number, since it uses more digits than its factorization.

22698100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197 (or 68 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 22698100 is about 4764.2523023031. The cubic root of 22698100 is about 283.1369188504.

The spelling of 22698100 in words is "twenty-two million, six hundred ninety-eight thousand, one hundred".