26222190 has 32 divisors (see below), whose sum is σ = 63697536. Its totient is φ = 6907680.

The previous prime is 26222179. The next prime is 26222191. The reversal of 26222190 is 9122262.

It is a super-2 number, since 2×26222190² = 1375206496792200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 26222190.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26222191) 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, 2776 + ... + 7755.

It is an arithmetic number, because the mean of its divisors is an integer number (1990548).

Almost surely, 2^26222190 is an apocalyptic number.

26222190 is an abundant number, since it is smaller than the sum of its proper divisors (37475346).

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

26222190 is a wasteful number, since it uses less digits than its factorization.

26222190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10624.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 26222190 is about 5120.7606856794. The cubic root of 26222190 is about 297.0911078740.

The spelling of 26222190 in words is "twenty-six million, two hundred twenty-two thousand, one hundred ninety".