2235204426261 has 4 divisors (see below), whose sum is σ = 2980272568352. Its totient is φ = 1490136284172.

The previous prime is 2235204426233. The next prime is 2235204426269. The reversal of 2235204426261 is 1626244025322.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 2235204426261 - 2⁵ = 2235204426229 is a prime.

It is a super-2 number, since 2×2235204426261² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2235204426269) 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, 372534071041 + ... + 372534071046.

It is an arithmetic number, because the mean of its divisors is an integer number (745068142088).

Almost surely, 2^{2235204426261} is an apocalyptic number.

It is an amenable number.

2235204426261 is a deficient number, since it is larger than the sum of its proper divisors (745068142091).

2235204426261 is an equidigital number, since it uses as much as digits as its factorization.

2235204426261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 745068142090.

The product of its (nonzero) digits is 276480, while the sum is 39.

The spelling of 2235204426261 in words is "two trillion, two hundred thirty-five billion, two hundred four million, four hundred twenty-six thousand, two hundred sixty-one".