22266090 has 288 divisors, whose sum is σ = 80668224. Its totient is φ = 4354560.

The previous prime is 22266067. The next prime is 22266103. The reversal of 22266090 is 9066222.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 1309762 + ... + 1309778.

It is an arithmetic number, because the mean of its divisors is an integer number (280098).

Almost surely, 2^22266090 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22266090, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40334112).

22266090 is an abundant number, since it is smaller than the sum of its proper divisors (58402134).

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

22266090 is a wasteful number, since it uses less digits than its factorization.

22266090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64 (or 45 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 22266090 is about 4718.6957943906. The cubic root of 22266090 is about 281.3290977527.

The spelling of 22266090 in words is "twenty-two million, two hundred sixty-six thousand, ninety".