26222990 has 16 divisors (see below), whose sum is σ = 49254048. Its totient is φ = 10033056.

The previous prime is 26222953. The next prime is 26223011. The reversal of 26222990 is 9922262.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56777 + ... + 57236.

It is an arithmetic number, because the mean of its divisors is an integer number (3078378).

Almost surely, 2^26222990 is an apocalyptic number.

26222990 is a deficient number, since it is larger than the sum of its proper divisors (23031058).

26222990 is a wasteful number, since it uses less digits than its factorization.

26222990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114043.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 26222990 is about 5120.8387984782. The cubic root of 26222990 is about 297.0941291125.

The spelling of 26222990 in words is "twenty-six million, two hundred twenty-two thousand, nine hundred ninety".