1422724190 has 32 divisors (see below), whose sum is σ = 2643490080. Its totient is φ = 550950400.

The previous prime is 1422724189. The next prime is 1422724201. The reversal of 1422724190 is 914272241.

It is a happy number.

It is a super-2 number, since 2×1422724190² = 4048288241622312200, which contains 22 as substring.

It is a congruent number.

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, 40466 + ... + 66954.

It is an arithmetic number, because the mean of its divisors is an integer number (82609065).

Almost surely, 2^1422724190 is an apocalyptic number.

1422724190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1422724190 is a deficient number, since it is larger than the sum of its proper divisors (1220765890).

1422724190 is a wasteful number, since it uses less digits than its factorization.

1422724190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26668.

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 1422724190 is about 37719.0162915206. The cubic root of 1422724190 is about 1124.7091765130.

The spelling of 1422724190 in words is "one billion, four hundred twenty-two million, seven hundred twenty-four thousand, one hundred ninety".