42200010 has 24 divisors (see below), whose sum is σ = 109720260. Its totient is φ = 11253312.

The previous prime is 42199999. The next prime is 42200023. The reversal of 42200010 is 1000224.

It can be written as a sum of positive squares in 2 ways, for example, as 41177889 + 1022121 = 6417^2 + 1011^2 .

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 42199965 and 42200001.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 234355 + ... + 234534.

Almost surely, 2^42200010 is an apocalyptic number.

42200010 is an abundant number, since it is smaller than the sum of its proper divisors (67520250).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42200010 is a wasteful number, since it uses less digits than its factorization.

42200010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 468902 (or 468899 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 9.

The square root of 42200010 is about 6496.1534772510. The cubic root of 42200010 is about 348.1535687655.

Adding to 42200010 its reverse (1000224), we get a palindrome (43200234).

The spelling of 42200010 in words is "forty-two million, two hundred thousand, ten".