222126429 has 32 divisors (see below), whose sum is σ = 350519296. Its totient is φ = 122472000.

The previous prime is 222126409. The next prime is 222126431. The reversal of 222126429 is 924621222.

It is not a de Polignac number, because 222126429 - 2⁸ = 222126173 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 222126396 and 222126405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222126409) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 97554 + ... + 99804.

It is an arithmetic number, because the mean of its divisors is an integer number (10953728).

Almost surely, 2^222126429 is an apocalyptic number.

It is an amenable number.

222126429 is a deficient number, since it is larger than the sum of its proper divisors (128392867).

222126429 is a wasteful number, since it uses less digits than its factorization.

222126429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2425.

The product of its digits is 6912, while the sum is 30.

The square root of 222126429 is about 14903.9065013170. The cubic root of 222126429 is about 605.6198178501.

The spelling of 222126429 in words is "two hundred twenty-two million, one hundred twenty-six thousand, four hundred twenty-nine".