7442198 has 4 divisors (see below), whose sum is σ = 11163300. Its totient is φ = 3721098.

The previous prime is 7442189. The next prime is 7442203. The reversal of 7442198 is 8912447.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×7442198² = 110772622142408, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1860548 + ... + 1860551.

It is an arithmetic number, because the mean of its divisors is an integer number (2790825).

Almost surely, 2^7442198 is an apocalyptic number.

7442198 is a deficient number, since it is larger than the sum of its proper divisors (3721102).

7442198 is a wasteful number, since it uses less digits than its factorization.

7442198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3721101.

The product of its digits is 16128, while the sum is 35.

The square root of 7442198 is about 2728.0392225919. The cubic root of 7442198 is about 195.2392242628.

The spelling of 7442198 in words is "seven million, four hundred forty-two thousand, one hundred ninety-eight".