26220057 has 16 divisors (see below), whose sum is σ = 37408320. Its totient is φ = 16286400.

The previous prime is 26220037. The next prime is 26220083. The reversal of 26220057 is 75002262.

It is not a de Polignac number, because 26220057 - 2⁶ = 26219993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (26220037) 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, 294 + ... + 7247.

It is an arithmetic number, because the mean of its divisors is an integer number (2338020).

Almost surely, 2^26220057 is an apocalyptic number.

It is an amenable number.

26220057 is a deficient number, since it is larger than the sum of its proper divisors (11188263).

26220057 is a wasteful number, since it uses less digits than its factorization.

26220057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7624.

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 26220057 is about 5120.5524116056. The cubic root of 26220057 is about 297.0830521965.

The spelling of 26220057 in words is "twenty-six million, two hundred twenty thousand, fifty-seven".