222773634035421 has 16 divisors (see below), whose sum is σ = 339464801931264. Its totient is φ = 127299138173424.

The previous prime is 222773634035411. The next prime is 222773634035443. The reversal of 222773634035421 is 124530436377222.

It is not a de Polignac number, because 222773634035421 - 2⁵ = 222773634035389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222773634035411) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49485100 + ... + 53798906.

It is an arithmetic number, because the mean of its divisors is an integer number (21216550120704).

Almost surely, 2^{222773634035421} is an apocalyptic number.

222773634035421 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

222773634035421 is a deficient number, since it is larger than the sum of its proper divisors (116691167895843).

222773634035421 is a wasteful number, since it uses less digits than its factorization.

222773634035421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6772960.

The product of its (nonzero) digits is 10160640, while the sum is 51.

The spelling of 222773634035421 in words is "two hundred twenty-two trillion, seven hundred seventy-three billion, six hundred thirty-four million, thirty-five thousand, four hundred twenty-one".