222149001 has 16 divisors (see below), whose sum is σ = 301500864. Its totient is φ = 145465344.

The previous prime is 222148991. The next prime is 222149009. The reversal of 222149001 is 100941222.

It is not a de Polignac number, because 222149001 - 2⁶ = 222148937 is a prime.

It is not an unprimeable number, because it can be changed into a prime (222149009) 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, 54310 + ... + 58256.

It is an arithmetic number, because the mean of its divisors is an integer number (18843804).

Almost surely, 2^222149001 is an apocalyptic number.

It is an amenable number.

222149001 is a deficient number, since it is larger than the sum of its proper divisors (79351863).

222149001 is a wasteful number, since it uses less digits than its factorization.

222149001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4280.

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 222149001 is about 14904.6637332078. The cubic root of 222149001 is about 605.6403310740.

The spelling of 222149001 in words is "two hundred twenty-two million, one hundred forty-nine thousand, one".