1226402455 has 16 divisors (see below), whose sum is σ = 1508963904. Its totient is φ = 956312320.

The previous prime is 1226402453. The next prime is 1226402479. The reversal of 1226402455 is 5542046221.

It is not a de Polignac number, because 1226402455 - 2¹ = 1226402453 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1226402453) 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, 304062 + ... + 308068.

It is an arithmetic number, because the mean of its divisors is an integer number (94310244).

Almost surely, 2^1226402455 is an apocalyptic number.

1226402455 is a deficient number, since it is larger than the sum of its proper divisors (282561449).

1226402455 is a wasteful number, since it uses less digits than its factorization.

1226402455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5546.

The product of its (nonzero) digits is 19200, while the sum is 31.

The square root of 1226402455 is about 35020.0293403646. The cubic root of 1226402455 is about 1070.3956538965.

Adding to 1226402455 its reverse (5542046221), we get a palindrome (6768448676).

The spelling of 1226402455 in words is "one billion, two hundred twenty-six million, four hundred two thousand, four hundred fifty-five".