22420603 has 4 divisors (see below), whose sum is σ = 23739480. Its totient is φ = 21101728.

The previous prime is 22420591. The next prime is 22420609. The reversal of 22420603 is 30602422.

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

It is a cyclic number.

It is not a de Polignac number, because 22420603 - 2⁵ = 22420571 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22420609) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 659413 + ... + 659446.

It is an arithmetic number, because the mean of its divisors is an integer number (5934870).

Almost surely, 2^22420603 is an apocalyptic number.

22420603 is a deficient number, since it is larger than the sum of its proper divisors (1318877).

22420603 is a wasteful number, since it uses less digits than its factorization.

22420603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1318876.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 22420603 is about 4735.0399153545. The cubic root of 22420603 is about 281.9783486890.

The spelling of 22420603 in words is "twenty-two million, four hundred twenty thousand, six hundred three".