602221426 has 4 divisors (see below), whose sum is σ = 903332142. Its totient is φ = 301110712.

The previous prime is 602221421. The next prime is 602221429. The reversal of 602221426 is 624122206.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 624122206 = 2 ⋅312061103.

It can be written as a sum of positive squares in only one way, i.e., 314885025 + 287336401 = 17745^2 + 16951^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 602221426.

It is not an unprimeable number, because it can be changed into a prime (602221421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 150555355 + ... + 150555358.

Almost surely, 2^602221426 is an apocalyptic number.

602221426 is a deficient number, since it is larger than the sum of its proper divisors (301110716).

602221426 is a wasteful number, since it uses less digits than its factorization.

602221426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 301110715.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 602221426 is about 24540.2002029323. The cubic root of 602221426 is about 844.4722851406.

The spelling of 602221426 in words is "six hundred two million, two hundred twenty-one thousand, four hundred twenty-six".