42215074 has 32 divisors (see below), whose sum is σ = 75893760. Its totient is φ = 17384400.

The previous prime is 42215057. The next prime is 42215081. The reversal of 42215074 is 47051224.

It is a super-2 number, since 2×42215074² = 3564224945650952, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7419 + ... + 11809.

It is an arithmetic number, because the mean of its divisors is an integer number (2371680).

Almost surely, 2^42215074 is an apocalyptic number.

42215074 is a deficient number, since it is larger than the sum of its proper divisors (33678686).

42215074 is a wasteful number, since it uses less digits than its factorization.

42215074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4446.

The product of its (nonzero) digits is 2240, while the sum is 25.

The square root of 42215074 is about 6497.3128291625. The cubic root of 42215074 is about 348.1949902521.

Adding to 42215074 its reverse (47051224), we get a palindrome (89266298).

It can be divided in two parts, 422150 and 74, that added together give a palindrome (422224).

The spelling of 42215074 in words is "forty-two million, two hundred fifteen thousand, seventy-four".