2222398 has 8 divisors (see below), whose sum is σ = 3478608. Its totient is φ = 1062864.

The previous prime is 2222387. The next prime is 2222443. The reversal of 2222398 is 8932222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a d-powerful number, because it can be written as 2² + 2⁹ + 2¹⁶ + 2²¹ + 3¹⁰ + 9² + 8² .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24111 + ... + 24202.

It is an arithmetic number, because the mean of its divisors is an integer number (434826).

2^2222398 is an apocalyptic number.

2222398 is a deficient number, since it is larger than the sum of its proper divisors (1256210).

2222398 is a wasteful number, since it uses less digits than its factorization.

2222398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48338.

The product of its digits is 3456, while the sum is 28.

The square root of 2222398 is about 1490.7709414930. The cubic root of 2222398 is about 130.4990286819.

The spelling of 2222398 in words is "two million, two hundred twenty-two thousand, three hundred ninety-eight".