1142620226 has 16 divisors (see below), whose sum is σ = 1915347168. Its totient is φ = 506704800.

The previous prime is 1142620223. The next prime is 1142620231. The reversal of 1142620226 is 6220262411.

It is a junction number, because it is equal to n+sod(n) for n = 1142620195 and 1142620204.

It is not an unprimeable number, because it can be changed into a prime (1142620223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 632480 + ... + 634283.

It is an arithmetic number, because the mean of its divisors is an integer number (119709198).

Almost surely, 2^1142620226 is an apocalyptic number.

1142620226 is a deficient number, since it is larger than the sum of its proper divisors (772726942).

1142620226 is a wasteful number, since it uses less digits than its factorization.

1142620226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1266817.

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 1142620226 is about 33802.6659599506. The cubic root of 1142620226 is about 1045.4436662226.

Adding to 1142620226 its reverse (6220262411), we get a palindrome (7362882637).

The spelling of 1142620226 in words is "one billion, one hundred forty-two million, six hundred twenty thousand, two hundred twenty-six".