4220290690 has 32 divisors (see below), whose sum is σ = 9470991744. Its totient is φ = 1315415040.

The previous prime is 4220290651. The next prime is 4220290691. The reversal of 4220290690 is 960920224.

It is a happy number.

It is a super-2 number, since 2×4220290690² = 35621707016201352200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4220290691) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2739679 + ... + 2741218.

It is an arithmetic number, because the mean of its divisors is an integer number (295968492).

Almost surely, 2^4220290690 is an apocalyptic number.

4220290690 is an abundant number, since it is smaller than the sum of its proper divisors (5250701054).

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

4220290690 is a wasteful number, since it uses less digits than its factorization.

4220290690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5480922.

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 4220290690 is about 64963.7644383390. The cubic root of 4220290690 is about 1616.0226937901.

The spelling of 4220290690 in words is "four billion, two hundred twenty million, two hundred ninety thousand, six hundred ninety".