4222635690 has 192 divisors, whose sum is σ = 12837851136. Its totient is φ = 869895936.

The previous prime is 4222635679. The next prime is 4222635691. The reversal of 4222635690 is 965362224.

It is a super-2 number, since 2×4222635690² = 35661304340923552200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4222635691) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1524687 + ... + 1527453.

It is an arithmetic number, because the mean of its divisors is an integer number (66863808).

Almost surely, 2^4222635690 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4222635690, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6418925568).

4222635690 is an abundant number, since it is smaller than the sum of its proper divisors (8615215446).

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

4222635690 is a wasteful number, since it uses less digits than its factorization.

4222635690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2853 (or 2840 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 39.

The square root of 4222635690 is about 64981.8104549265. The cubic root of 4222635690 is about 1616.3219521289.

The spelling of 4222635690 in words is "four billion, two hundred twenty-two million, six hundred thirty-five thousand, six hundred ninety".