63220042 has 16 divisors (see below), whose sum is σ = 100972872. Its totient is φ = 29583360.

The previous prime is 63220037. The next prime is 63220063. The reversal of 63220042 is 24002236.

It can be written as a sum of positive squares in 4 ways, for example, as 35034561 + 28185481 = 5919^2 + 5309^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1018 + ... + 11290.

Almost surely, 2^63220042 is an apocalyptic number.

63220042 is a deficient number, since it is larger than the sum of its proper divisors (37752830).

63220042 is a wasteful number, since it uses less digits than its factorization.

63220042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10473.

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

The square root of 63220042 is about 7951.1031938971. The cubic root of 63220042 is about 398.3684415912.

Adding to 63220042 its reverse (24002236), we get a palindrome (87222278).

The spelling of 63220042 in words is "sixty-three million, two hundred twenty thousand, forty-two".