261228702622 has 16 divisors (see below), whose sum is σ = 403719172272. Its totient is φ = 126678202560.

The previous prime is 261228702541. The next prime is 261228702629. The reversal of 261228702622 is 226207822162.

261228702622 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (261228702629) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5616004 + ... + 5662327.

It is an arithmetic number, because the mean of its divisors is an integer number (25232448267).

Almost surely, 2^261228702622 is an apocalyptic number.

261228702622 is a deficient number, since it is larger than the sum of its proper divisors (142490469650).

261228702622 is a wasteful number, since it uses less digits than its factorization.

261228702622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11278683.

The product of its (nonzero) digits is 129024, while the sum is 40.

The spelling of 261228702622 in words is "two hundred sixty-one billion, two hundred twenty-eight million, seven hundred two thousand, six hundred twenty-two".