42202044 has 18 divisors (see below), whose sum is σ = 106677480. Its totient is φ = 14067336.

The previous prime is 42202001. The next prime is 42202123. The reversal of 42202044 is 44020224.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 586104 + ... + 586175.

Almost surely, 2^42202044 is an apocalyptic number.

It is an amenable number.

42202044 is an abundant number, since it is smaller than the sum of its proper divisors (64475436).

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

42202044 is a wasteful number, since it uses less digits than its factorization.

42202044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1172289 (or 1172284 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 18.

The square root of 42202044 is about 6496.3100295475. The cubic root of 42202044 is about 348.1591622317.

Adding to 42202044 its reverse (44020224), we get a palindrome (86222268).

It can be divided in two parts, 42 and 202044, that multiplied together give a palindrome (8485848).

The spelling of 42202044 in words is "forty-two million, two hundred two thousand, forty-four".