222421421031399 has 24 divisors (see below), whose sum is σ = 342656959525920. Its totient is φ = 138539863208448.

The previous prime is 222421421031389. The next prime is 222421421031401. The reversal of 222421421031399 is 993130124124222.

222421421031399 is a `hidden beast` number, since 2 + 2 + 2 + 4 + 2 + 14 + 210 + 31 + 399 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-222421421031399 is a prime.

It is a super-2 number, since 2×222421421031399² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222421421031319) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5305580419 + ... + 5305622340.

It is an arithmetic number, because the mean of its divisors is an integer number (14277373313580).

Almost surely, 2^{222421421031399} is an apocalyptic number.

222421421031399 is a deficient number, since it is larger than the sum of its proper divisors (120235538494521).

222421421031399 is a wasteful number, since it uses less digits than its factorization.

222421421031399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10611202919 (or 10611202916 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 45.

The spelling of 222421421031399 in words is "two hundred twenty-two trillion, four hundred twenty-one billion, four hundred twenty-one million, thirty-one thousand, three hundred ninety-nine".