222142104 has 24 divisors (see below), whose sum is σ = 601635060. Its totient is φ = 74047344.

The previous prime is 222142099. The next prime is 222142121. The reversal of 222142104 is 401241222.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×222142104² = 98694228739093632, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1542582 + ... + 1542725.

Almost surely, 2^222142104 is an apocalyptic number.

222142104 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

222142104 is an abundant number, since it is smaller than the sum of its proper divisors (379492956).

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

222142104 is a wasteful number, since it uses less digits than its factorization.

222142104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3085319 (or 3085312 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 222142104 is about 14904.4323608784. The cubic root of 222142104 is about 605.6340632919.

Adding to 222142104 its reverse (401241222), we get a palindrome (623383326).

The spelling of 222142104 in words is "two hundred twenty-two million, one hundred forty-two thousand, one hundred four".