26302222801 has 4 divisors (see below), whose sum is σ = 26302612900. Its totient is φ = 26301832704.

The previous prime is 26302222799. The next prime is 26302222901. The reversal of 26302222801 is 10822220362.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2770969600 + 23531253201 = 52640^2 + 153399^2 .

It is a 3-Lehmer number, since φ(26302222801) divides (26302222801-1)³.

It is a cyclic number.

It is not a de Polignac number, because 26302222801 - 2¹ = 26302222799 is a prime.

It is a super-3 number, since 3×26302222801³ (a number of 32 digits) contains 333 as substring.

It is a deceptive number, since it divides R_26302222800.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 26302222801.

It is not an unprimeable number, because it can be changed into a prime (26302222901) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65016 + ... + 238393.

It is an arithmetic number, because the mean of its divisors is an integer number (6575653225).

Almost surely, 2^26302222801 is an apocalyptic number.

26302222801 is the 86689-th nonagonal number.

It is an amenable number.

26302222801 is a deficient number, since it is larger than the sum of its proper divisors (390099).

26302222801 is an equidigital number, since it uses as much as digits as its factorization.

26302222801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390098.

The product of its (nonzero) digits is 4608, while the sum is 28.

The spelling of 26302222801 in words is "twenty-six billion, three hundred two million, two hundred twenty-two thousand, eight hundred one".