222261257397 has 8 divisors (see below), whose sum is σ = 296394321600. Its totient is φ = 148151182400.

The previous prime is 222261257389. The next prime is 222261257399. The reversal of 222261257397 is 793752162222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 222261257397 - 2³ = 222261257389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222261257399) 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, 5724729 + ... + 5763422.

It is an arithmetic number, because the mean of its divisors is an integer number (37049290200).

Almost surely, 2^222261257397 is an apocalyptic number.

It is an amenable number.

222261257397 is a deficient number, since it is larger than the sum of its proper divisors (74133064203).

222261257397 is a wasteful number, since it uses less digits than its factorization.

222261257397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11494603.

The product of its digits is 1270080, while the sum is 48.

The spelling of 222261257397 in words is "two hundred twenty-two billion, two hundred sixty-one million, two hundred fifty-seven thousand, three hundred ninety-seven".