222021042 has 32 divisors (see below), whose sum is σ = 483537600. Its totient is φ = 67693248.

The previous prime is 222021017. The next prime is 222021067. The reversal of 222021042 is 240120222.

It is an interprime number because it is at equal distance from previous prime (222021017) and next prime (222021067).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30273 + ... + 36884.

It is an arithmetic number, because the mean of its divisors is an integer number (15110550).

Almost surely, 2^222021042 is an apocalyptic number.

222021042 is an abundant number, since it is smaller than the sum of its proper divisors (261516558).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

222021042 is a wasteful number, since it uses less digits than its factorization.

222021042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67210.

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 222021042 is about 14900.3705323056. The cubic root of 222021042 is about 605.5240247284.

Adding to 222021042 its reverse (240120222), we get a palindrome (462141264).

The spelling of 222021042 in words is "two hundred twenty-two million, twenty-one thousand, forty-two".