222021634642357 has 64 divisors (see below), whose sum is σ = 257024275200000. Its totient is φ = 189668250604800.

The previous prime is 222021634642351. The next prime is 222021634642417. The reversal of 222021634642357 is 753246436120222.

It is not a de Polignac number, because 222021634642357 - 2²⁷ = 222021500424629 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 222021634642357.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222021634642351) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 19224311019 + ... + 19224322567.

It is an arithmetic number, because the mean of its divisors is an integer number (4016004300000).

Almost surely, 2^{222021634642357} is an apocalyptic number.

It is an amenable number.

222021634642357 is a deficient number, since it is larger than the sum of its proper divisors (35002640557643).

222021634642357 is a wasteful number, since it uses less digits than its factorization.

222021634642357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13162.

The product of its (nonzero) digits is 5806080, while the sum is 49.

The spelling of 222021634642357 in words is "two hundred twenty-two trillion, twenty-one billion, six hundred thirty-four million, six hundred forty-two thousand, three hundred fifty-seven".